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A projectile is shot straight up from the earth's surface at a speed of 11000 kilometer per hour.
Question- Compute how high does it go?
What is the angular velocity of a 50 Kg diver who changes the radius of gyration from .5 meters to .2 meters while in flight
Consider a damped oscillator with m=0.2 kg, b= 4 N-m^-1 sec and k= 80N/m. Suppose that this oscillator is driven by a force F=Fo cos wt, What is the mean power input
A 15-kg block rests on a level frictionless surface and is attached by a light string to a 5.0-kg hanging mass where the string passes over a massless frictionless pulley
A skier starts from rest at the top of a frictionless incline of height 20.0 m, Find the skier's speed at the bottom
A rock of mass 32kg accidentally breaks loose from the edge of a cliff and falls straight down. The magnitude of the air resistance that opposes its downward motion is 274N. What is the magnitude of the acceleration of the rock.
Drag racing combines the reflexes of the driver with a powerful engine to propel a specially designed car across a quarter mile as quickly as possible. What is the time for the car to go the quarter-mile
290 Kg piano slides 4.0 m down a 30 degree incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is .40.
After a 0.785 nm x-ray photon scatters from a free electron, the electron recoils with a speed equal to 1.53E+6 m/s, What was the Compton shift in the photon's wavelength
an electron and a proton are initially very far apart effectively an infinite distance apart. they are then brought
Two small objects are connected by a string of length l and are initially positioned at rest on a horizontal plane. Charge of each object is q, mass is m. String is broken and objects start to slide away from each other on the horizontal plane. What ..
The intensity of sunlight that reaches Earths amosphere is 1400 W/m2. What is the intensity of sunlight
A baseball (m = 137 g) approaches a bat horizontally at the speed of 40.6m/s (91 mi/h) and is hit straight back at a speed of 45.1m/s (101 mi/h). If the ball is in contact with the bat for a time of 1.00 ms, what is the average force exerted on the..
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