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A solid sphere starts from rest at the upper end of the track, as shown in figure below, and rolls without slipping until it rolls off the right-hand end. If H = 18.0 m and h = 1.0 m and the track is horizontal at the right-hand end, how far horizontally from point A does the sphere land on the floor
Note: H is the height of the tall end (begnning) of the ramp and h is the hight of the short end (as if the ramp was suspended on two posts of heights H and h) of the ramp. Point A is located at the bottom of the short end of the ramp ramp where h=0.
A proton (mass 1.67 x 10^27kg) is moving at 1.55 x 10^6m/s directly toward a stationary helium nucleus (mass 6.64 x 10^27kg). what is the helium's velocity
you are designing a delivery ramp for crates containing exercise equipment. the crates of weight 1510 n will move with
A hot-air balloonist, rising vertically with a constant velocity of magnitude v= 5.00 m/s, releases a sandbag at an instant when the balloon is a height h= 40.0 m above the ground. What is the greatest height above the ground that the sandbag reach..
A student throws a set of keys 4.4m up to friend in window. the friend catches the keys 1.7s later. what is the intial velocity
A 5 kg block sits on top of a 10 kg block which rests on a horizontal frictionless surface. What is the minimum coefficient of static friction necessary to keep the top block from slipping on the bottom block
Two identical point charges (q = +1.50 x 10-6 C) are fixed at opposite corners of a square whose sides have a length of 0.570 m. Determine the speed of the test charge
The pilot of an aircraft wishes to fly due west in a 34.60 km/h wind blowing toward the south. The speed of the aircraft in absence of a wind is 145 km/h.
A 6.0 kg block of aluminum is heated from 20°C to 90°C at atmospheric pressure. Find the work done by the aluminum
Planet Z is 12,000 km in diameter. The acceleration due to gravity on Planet Z is 7.0 m/s2.
What is speed of the car just before it lands safely
A converging lens with a focal length f1 = 4cm is placed to the left of a second identical lens f2. What is the separation distance between the two lenses
An antique phonograph turntable has a kinetic energy of 2.60×10?2 J when turning at an angular velocity of 47.0 rev/min
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