A 1 kg model rocket is launched at a 30 degree angle from the floor. The small rocket burns for 5.00 s and has a steady thrust of 20.0 N. What maximum altitude does the rocket reach and range of the...

Why is it easier to pull an object up an incline rather than pushing?

A block of mass 7.33 kg lies on a frictionless horizontal surface. The block is connected by a cord passing over a pulley to another block of mass 2.45 kg which hangs in the air, as shown...

A skier of mass 87.8 kg comes down a slope of constant angle 44◦ with the horizontal. What is the force on the skier parallel to the slope? The acceleration of gravity is 9.8 m/s 2...

A string has a 3.5 kg block on one end and a 2.5 kg ball on the other. The system is suspended over a table, with the ball hanging down and the block resting on the table. Given that the table has...

After some time of fleeing, Bob realizes it is almost his curfew time and that his mom will ground him if he is not back at home (Bob’s mom can be scarier than the police). Bob turns around...

A table lamp has a circular base of diameter 120 mm and a height of 300 mm. It stands on a rough horizontal surface. The Centre of mass of the table lamp is 60 mm above its table. Why the table lamp...

A 25 kg wooden crate is being pushed against a large spring with a spring constant of 1200 N/m. If the coefficient of friction between the crate and the ground is 0.68, how much does the spring...