The specific heat of substance X is 200 J/g*C, how much heat is required to change the temperature of 2.0 grams of substance X from 35 degrees Celsius to 55 degrees Celsius?

A 2000 kg car experiences a constant braking force

A rotating object starts from rest at t = 0 s and has a constant angular acceleration. At a time of t = 7.0 s the object has an angular velocity of ω = 15 rad/s. What is its angular velocity at a time of t = 14 s?

Sound waves have relatively long wavelengths. We can hear people around the corner before we can see them. Which wave behavior does this illustrate?

A 6.0-kg ball is sliding to the right at 25.0m/s and strikes a second ball (15-kg) that is initially at rest head-on. After the collision, the 6-kg ball moves to the left at 12.5m/s. What is velocity of the second ball?

Why is dose equvialent in rem or sv used to define the Effective Dose Equivalent and the Committed Dose Equivalent?

Describe how mass and distance affect gravitational force.

a bike can climb the inclined road at uniform speed of 72 km/hr by applying force 500N what will be the power applied by the bike?

A wave has a wave length of 2 m and a frequency of 500 Hz, what is its speed?

Can anything block a magnet's force feild?

How much kinetic energy does a moving 6 kg object have If It moves with a velocity of 3 m/s?