5. True or False: Velocity is the magnitude of speed

Which activity can be termed as an economic activity?

The universal law of gravitation, written by Isaac,

A 50.0kg cheetah has a kinetic energy of 18,000J. how fast the cheetah running?

An elevator has a massif 1000 kg what is the tension force on its cables when it is stationary

The school is about 1500 m away. you run toward the school with an average velocity of 3 m per sec. how long did it take you to get to school in seconds

The height a ball bounces is less than the height of the previous bounce due to friction. The heights of the bounces form a geometric sequence. Suppose a ball is dropped from one meter and rebounds 95 % of the height of the previous bounce.

Five-gram samples of copper and aluminum are at room temperature. Both receive equal amounts of energy due to heat flow. The specific heat capacity of copper is 0.09 cal/g°C, and the specific heat capacity of aluminum is 0.22 cal/g°C.

A bullet travels at 870 m/s. How long will it take a bullets to go 1 m?

A 2.50 * 105 W motor is used for 26.4 s to pull a boat straight toward shore. How far does the boat move toward shore if a force of 4.20 * 104 N is applied by the motor?

Which type of wave experiences a change in speed when entering a new medium? a) only sound waves b) both sound and light waves c) only light waves d) neither sound or light waves