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A basketball player makes a jump shot. The 0.60 kg ball is released at a height of 2.0 m above the floor with a speed of 7.2 m/s. The ball goes though the net 2.1 m above the floor at a speed of 4.2 m/s. What is the work done on the ball by air resistance.
A car travelling at 105 strikes a tree. The front end of the car compresses and the driver comes to rest after travelling 0.85. What was the magnitude of an average acceleration of the driver during the collision? State the answer in terms of "'s,..
Space vehicles traveling through Earth's radiation belts can intercept a significant number of electrons. Find the resulting surface charge density
Red light of wavelength 633nm from a helium-neon laser passes through a slit 0.370mm wide. What is the width of the central bright fringe?
A partially evacuated airtight container has a tight-fitting lid of surface area 81.7 cm2 and negligible mass. what is the air pressure in the container before it is opened
If the horn acts like an organ pipe which is open on each end, what is the length of the organ pipe in cm, What is the beat frequency that you hear
You are on an airplane traveling 30 ° south of due west at 100 m/s with respect to the air. What is the heading of the plane with respect to the ground
The inductance of a closely packed coil of 350 turns is 9.5 mH. Calculate the magnetic flux (per winding) through the coil when the current is 5.0 mA
The driver of a car wishes to pass a truck that is travelling at a constant speed of 20 meters per second. Initially, the car is also travelling at 20 meters per second and its front bumper is 24 meters behind truck's rear bumper.
Charge q is fired through a small hole in the positive plate of a capacitor. If q is a positive charge, does it speed up or slow down inside the capacitor? reply this question using the concept of force.
A radar station locates a sinking ship at range 17.5 km and bearing 136° clockwise from north. How far apart are the plane and ship
If Argentinosaurus, a long-necked, gigantic sauropod, had a head height of 19 m and a heart height of 9.1 m, What was the blood pressure (in torr or mm Hg) at the feet
Two equal, but oppositely charged particles are attracted to each other electrically. evaluate the magnitude of the charges
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