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A 45 g golf ball is pushed up a 30° ramp. The ball starts from rest and the length of the surface of the ramp is 5 m. The coefficient of kinetic friction between the surface on the ramp and the ball is 0.1. The force ceases when the ball leaves the top of the ramp and the total horizontal distance travelled by the ball after leaving the ramp is 20 m. What was the magnitude of the pushing force (in N)?
What is the normal force that the incline exerts on the block. find the acceleration of the block.
A fighter jet is attempting to land on an aircraft carrier with a runway length of 320m. How far will the jet have to travel before it stops
While a roofer is working on a roof that slants at 39.0 degrees above the horizontal, he accidentally nudges his 93.0 N toolbox, causing it to start sliding downward, starting from rest.
As part of a class project you are given 0.900 g of nichrome and asked to fabricate a wire with uniform cross-section. What length of wire do you end up with
On the Moon's surface, lunar astronauts placed a corner reflector, off which a laser beam is periodically reflected, What is the difference in travel time for light that travels only through space to the moon and back and light that travels through ..
You are piloting a spacecraft whose total mass is 1170 kg and attempting to dock with a space station in deep space. How long should you sustain the firing of the retro-rocket
A crate is pulled by a force (parallel to the incline) up a rough incline. The crate has an initial speed of 1.5m/s. The crate is pulled a distance of 7.5 m on the incline by a 150 N force. The acceleration of gravity is 9.8m/s² mu=0.15
A 47.0 g golf ball is driven from the tee with an initial speed of 60.0 m/s and rises to a height of 25.2 m, Neglect air resistance and determine the kinetic energy of the ball at its highest point
A student uses an audio oscillator of adjustable frequency to measure the depth of a water well. What is the depth of the well
n object of mass "m" specific heat "Cp" & surface area "As" is initially at a temperature "To". Rate of Heat gained by Object = Rate of Heat Lost by Gas m, Cp, h, A & Tg are all constants.
determine the kinetic energy of the ball at its highest point. Illustrate what is its speed when it is 9.0 m below its highest point.
An aluminum bar has a length of 2.0 m and transverse dimensions of 3.5 mm and 6.9 mm, What force is required to stretch the bar 1.2 mm
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