I need Physics help and I will give the best answer!?
A golfer hits a ball at an angle of 56 degrees with an initial speed of 42m/s toward an elevated green that is 6m above his level. What is the total horizontal distance that the ba...View details
Earth's speed of rotation at 39.60455?View details
Describe three forms of mechanical energy?View details
Physics problem: Why pulling a chain attached to a tree stump that went over a mound of dirt in between caused rear bumper to bend upwards?
I know this might sound like a really stupid question. but I had read online that having something for the chain to "go over" in between while pulling it out of ground would give i...View details
A sinusoidal wave moving to the left has a wavelength of 5.0 cm and a frequency of...?
A sinusoidal wave moving to the left has a wavelength of 5.0 cm and a frequency of 50 Hz. At t = 0 s, the wave has a crest at x = 0 cm. What is the earliest time after t = 0 s at ...View details
What is the acceleration of the crate?
A hippo pushes a 100kg crate of lettuce a distance of 4m in 2 seconds. The hippos power output was 9KW. What was the acceleration of the crate?...View details
How do you solve this?
A brick is held two meters above the ground on Earth and dropped. It is taken to the moon and also released from a height of two meters. In terms of conservation of energy, in whic...View details
The figure shows a uniform crate resting on a horizontal surface. Determine the minimum pushing force that leads to tipping.?
The crate has a square cross section and a weight of W = 592 N, which is uniformly distributed. At the bottom right edge of the surface is a small obstruction that prevents the cra...View details
My finding of my x ray is bony thorax explain pls.?View details
When I pet my dog in the winter and get shocked, is my dog getting shocked too or is she ok?
does my dog get shocked when I pet her?...View details
Is this possible? Physics delayed choice experiment Question?
In the delayed choice experiment, Particle One would encounter either one slit or two slits after the the other particle Particle Two was already observed. Depending on whether the...View details
You hold a ruler that has a charge on it's tip 2 cm above a small piece of tissue paper to see if it can be picked up. The ruler has -10 microcoloumbs of charge. The tissue has 5 g...View details
Research on the difference between massed and distributed practice?View details
A 2 kg box is sliding across ice at 2 m/s. If 40 J of work is done on the box ...?
A 2 kg box is sliding across ice at 2 m/s. If 40 J of work is done on the box in the same direction that it is moving (i.e. theta=0), how fast is the box sliding now? Round to one ...View details
A bike tire with a mass of 65 g spins at a rate of 8 rads per second. What is the moment of inertia for the tire if the radius is 0.24 m? Assume the tire has all its mass concentr...View details
What is the acceleration of change?
Q=3 C m= 2 Kg d= 1500m E= 8000 N/C electric potential energy is zero...View details
What is the electrical force on the charge?
Q=3 C m= 2 Kg d= 1500m E= 8000 N/C electric potential energy is zero...View details
What is the formula for electric force?View details
Air Puck Circular Motion Problem?
An air puck of mass 0.032 kg is tied to a string and allowed to revolve in a circle of radius 1.5 m on a frictionless horizontal surface. The other end of the string passes through...View details
Δr1 = (600i − 230j) m, Δr2 = (420j) m, and Δr3 = (−285i + 137j) m. What is the displacement, in vector form?View details
Physics Circular Motion Problem?
When it orbited the Moon, the Apollo 11 spacecraft’s mass was 10300 kg, its period was 133 min, and its mean distance from the Moon’s center was 1.99345 × 106 m. Assume its or...View details
Physics Bohr Model Problem?
In the Bohr model of the hydrogen atom, the speed of the electron is approximately 2.08 × 106 m/s. Find the central force acting on the electron as it revolves in a circular orbit...View details
Fuel aboard a rocket has a density of 2700 kg/m3 and is ejected with a speed of 4410 m/s. If the engine is to provide a thrust of 1.21 × 106 N, what volume of fuel must be burned ...View details
Fluids problem.. physics 2?
A research submarine has a 20 cm diameter window 8.0cm thick. The manufacturer says the window can withstand a maximum force of 1.0 x 106 N. What is the submarine’s maximum safe ...View details
What happens if Homer throw a jar of bullet ants at my dad?View details
You and a friend are throwing a tennis ball up against a 4.05 m building. You make a bet on whether or not you could throw the ball hard enough so you could get it on top of the bu...View details
When and where does student catch bus?
A student late to class runs at a constant 4.30 m/s to catch a bus. She reaches the bus stop 2.00s after the bus starts from rest with an acceleration of 0.950 m/s2. Where and when...View details
Finding postion and velocity at t=0 given two different velocities and two different times?
An object moves with constant acceleration. At t= 2.50 s, the position of the object is x=2.00 m and its velocity is v= 4.50 m/s. At t= 7.00 s, v= -12.0 m/s. Find: (a) the positio...View details
What is the perceived weight of a person, who normally weighs 165 pound-force, who is accelerating at 0.72 g?
A person who has a weight of 165 pound-force[lbf] on Earth is travelling to Mars on a spacecraft. As long as the engines on the spacecraft are not operating, the person is essentia...View details
Struggling with these physics questions, please explain. Thanks! 1. Ingrid and Greta are on horseback heading to a bonfire celebration at the town square 12.5 miles away. Ingrid c...View details
(a) What is the flux through the loop? (b) If the angle increases to 60°, what is the new flux through the loop?
A square loop of wire, 0.75 m on each side, has one edge along the positive z-axis and is tilted toward the y-z plane at an angle of 30.0° with respect to the horizontal (x-z plan...View details
A ball is thrown straight upward and returns to the thrower's hand after 2.15 s in the air. A second ball thrown at an angle of 35.0° with the horizontal reaches the same maximum ...View details
Capacitor 30.0 𝜇F & resistor 70.0 Ω connected in series to battery 5.00 V. What is charge 𝑄 on capacitor 0.00100s after connection made?View details
Fleas have remarkable jumping ability. A 0.40 mg flea, jumping straight up, would reach a height of 40 cm if there were no air resistance. In reality, air resistance limits the hei...View details
Help i dont get it?
Airplane A, starting from rest with constant acceleration, requires a runway 400 m long to become airborne. Airplane B requires a takeoff speed twice as great as that of airplane A...View details
An artillery shell is fired with an initial velocity of 300 m/s at 50.5° above the horizontal. To clear an avalanche, it explodes on a mountainside 49.0 s after firing. What are t...View details
As a charge accelerates from the cloud to the ground during a thunderstorm?
1) Does the charge's electrical potential energy increase or decrease? 2) Does the charge's kinetic energy increase or decrease?...View details
Physics Questions about vectors. Someone help me please? The given vectors are at the top of the image.?
9. Says, Which of the following represents the vector 2B? 10. Says, Which of the following represents the vector A - B? 11. Says, Which of the following represents the vector B...View details
Calculate the pH of 0.5 moldm-3 ammonium chloride at 25C?
Ka = 5.6 x 10^-10 concentration is 0.50 m...View details
Physics help please?
In a physics lab experiment, a spring clamped to the table shoots a 22 g ball horizontally. When the spring is compressed 22 cm , the ball travels horizontally 5.1 m and lands on t...View details
Find the magnitude of the applied force F.?
A 90.0 kg box is pushed by a horizontal force F at constant speed up a frictionless ramp which makes an angle of 37.0 deg with the horizontal. Find the magnitude of the applied for...View details
A mass of 9.5 kg hangs from 2 ropes. If α = 41.0 deg. and β = 52.0 deg., what is the tension in rope 1?View details
Calculate the magnitude of the tension in the cable when the mass is at the bottom of the circle.?
A steel ball of mass 1.19 kg is attached to a thin (massless) cable and whirled around in a circle in a vertical plane. The circle has a radius of 1.14 m. When it is at the bottom ...View details
Calculate the net torque about the axle of the wheel.?
A hoop with an inner radius of R1 = 14.0 cm and an outer radius of R2 = 24.0 cm has three forces acting on it as shown below, with F1 = 22 N, F2 = 40 N and F3 = 33 N. Calculate the...View details
The mass of a glider is 0.40 kg the spring constant = 1200 N/m. It is released form the right and feels a force of 24 N to the left?
The mass of a glider is 0.40 kg the spring constant = 1200 N/m. It is released from the right and feels a force of 24 N to the left? What is the frequency of the oscillation?...View details
What are these radio signals around the 27 Mhz frequencies? Software defined radio.?
these signals are odd since they start at a lower frequency and go through a series of descending frequencies. the signals are continuously active while going through frequencies. ...View details
Einstein DID have ether in his later theories contrrry to what several pseudo-scientists said on here. Did you know that?
The latter writings of Einstein DEFINITELY include ether, though in somewhat guarded language. "Recapitulating, we may say that according to the general theory of relativity space ...View details