Other Physics Answers

Activity 8.3: Linear versus Rotational

How does a rigid body rotate if the ω and α have the same sign (say +)? Compare these relationships between linear acceleration (a) and linear velocity (v) for straight line motion.

What is the energy of a 10kg mass position at 100m above the surface of the earth

A hoist operated by an electric motor raises a load of 300kg vertically at a steady speed of 0.2ms-1. Frictional resistance can be taken to be constant at 1200N. How much is the total force

A projectile is fired horizontally at a speed of 8 m/s from an 80-m-high cliff. Find the angle of impact

1. Roronoa Zoro runs forward, from rest, with an acceleration of 8 m/s2.  If he covered 25 m, what was his final velocity?

1. A rollerskater experiences an acceleration of 2.2 m/s2. As a result, she accelerates from rest to 12 m/s. How much distance did she travel during that acceleration?

1. A hat is dropped from a 44 m tall building. How fast will it be going when it strikes the ground? (Acceleration is -9.8 m/s2)

1. The Lizard chases after Spider-Man and experiences an acceleration of 5.2 m/s2. As a result, he accelerates from rest to 14.8 m/s. How much distance did the Lizard cover?

how many calories of heat will be needed to raise the temperature of 200 g of iron from 27°c to 80°c

at a depth of 12.5 m of a chemical solvent the pressure at the bottom of the storage tank due to the solvent was 306kpa. Calculate density of the solvent

A uniform rod 2 m long and weighing 85 N is pivoted to the wall as shown. A weight of 25 N is suspended at the other end of the rod. Find the magnitude of vertical and horizontal components of the force exerted on the pivot as well as the tension in the string.

1. A bullet train accelerates from rest at Tokyo Station to 89 m/s over a distance of 120 m. What acceleration did it experience?

what is the mass of a bullet that is moving with velocity of 900 m/s and has a momentum of 4.5 kg-m/s