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A golf ball strikes a hard, smooth floor at an angle of 37.5 ° and, as the drawing shows, rebounds at the same angle. The mass of the ball is 0.0424 kg, and its speed is 50.6 m/s just before and after striking the floor. What is the magnitude of the impulse applied to the golf ball by the floor? (Hint: Note that only the vertical component of the ball's momentum changes during impact with the floor, and ignore the weight of the ball.)
Starting from rest with an acceleration of 0.37 m/s2, he covers the same distance as the ramp does, but in one-fourth the time. Illustrate what is the speed at which the belt of the ramp is moving?
Petrus takes a cold glass of cola from fridge. He puts 3 cubes of ice into it. He laeves the glass on a table in a warm room for 5 minutes. He notices that the ice cubes have become smaller. The outside of the glass is now wet. What is the reason ..
In order better to map the surface features of the Moon, Calculate the satellite\'s kinetic energy, gravitational potential energy, and total orbital energy
How far is he from the orgin. A simple pendulum has a mass of 0.350 kg and a length of 2.00 m. It is displaced through an angle of 7.0° and then free.
For a science fair competition, a group of high school students build a kicker-machine that can launch a golf ball from the origin with a velocity of 11.3 m/s, How high will be the highest point of trajectory
An alert physics student stands beside the tracks as a train rolls slowly past. He notes that the frequency of the train whistle is 443 Hz when the train is approaching him.
A spacecraft consists of a 32500 kg engine and a 12600 kg nosecone. How fast is the nosecone moving
The emissivity of the human skin is 97.0 percent. Use 35.0 °C for the skin temperature and approximate the human body by a rectangular block with a height of 1.66 m, How much energy does our body lose in one second
An Australian emu is running due north in a straight line at a speed of 13.0 m/s and slows down to a speed of 11.0 m/s in 4.40 s. find the magnitude and direction of the bird's acceleration
In a series R-L-C circuit, the phase angle is 40.5?, with the source voltage leading the current, Find the reactance of the inductor
Two packing crates of masses m1 = 10.0 kg and m2 = 5.00 kg are connected by a light string that passes over a frictionless pulley as in Figure P4.26. The 5.50 kg crate lies on a smooth incline of angle 40.0°. Find out the acceleration of the 5.50 ..
A square conducting loop has side a and carries clockwise current I as shown in the diagram. calculate the magnitude and direction of the magnetic field at the center of the square
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