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An object with a constant acceleration has velocity of 12 meter per second when its position is x = 8 meter. At another position x = 16 meter, its velocity is 20 m/s. Calculate its acceleration?
On the Apollo 14 mission to the moon, astronaut Alan Shepard hit agojf ball with a 26 iron. For how much more time was the ball in flight
the sled (100kg) rides on a slope, 30 degrees to the horizontal. The coefficient of friction is 0.8. what force is needed move the sled down
The center of gravity of a 5 kg lower leg is 18 cm from the knee. When pivoted at the knee and allowed to swing, Find the moment of inertia of the lower leg
A variable-speed drill, initially turning at 400 rpm, speeds up to 1300 rpm in a time interval of 1.0 s. What is its average rotational acceleration
During a day time football game you notice that a player's reflective helmet forms an image of the sun 3.2 cm behind the surface of the helmet
After solving a difficult physics problem, an excited student throws his book straight up. It leaves his hand at 3.7 m/s from 1.5 m above the ground. How much time does it take until the book hits the floor?
A rocket is fired at a speed of 82.0 m/s from ground level, at an angle of 31.0 ° above the horizontal. The rocket is fired toward an 6.95-m high wall, which is located 18.0 m away.
a capacitor with capacitance c 4.10middot10-6 f is connected to an ac power source having a peak value of 6.0 v and f
A wave on a string has a speed of 151 m/s. If the diameter of the string is increased by a factor of four and the tension is held fixed
A spring gun is made by compressing a spring in a tube and then latching the spring at the compressed position. A 4.97 g pellet is placed against the compressed and latched spring. To what maximum height (m) will the pellet rise
An 8.40 gram bullet has a speed of 1.13 km/s. Find the bullet kinetic energy if its speed is doubled
a 480 kg car moving at 14.4 ms hits from behind another car moving at 13.3 ms in the same direction. if the second car
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