A dog runs 27 m in 3 s. what is the dogs average speed.

a 9 m/s

b 24 m/s

c 30 m/s

d 81 m/s

Simple machines are divided into two main categories. Levers and inclined planes. True or false

If energy is transferred to an object's kinetic energy store, what happens to its speed?

A block with mass m = 7.4 kg is hung from a vertical spring. when the mass hangs in equilibrium, the spring stretches x = 0.22 m. while at this equilibrium position, the mass is then given an initial push downward at v = 3.8 m/s.

What can happen to the atomic particles when u rub two objects together

A 10 Newton effort force is required to lift a 10 kg box just off the ground. What is the effort required to lift the box off the ground using a 3m long lever? [The fulcrum is placed 0.5m from the box.]

A set of data is collected from a simple circuit with a 20 resistor and is represented in the table

A skydiver of mass m jumps from a hot air balloon and falls a distance d before reaching a terminal velocity of magnitude v. Assume that the magnitude of the acceleration due to gravity is g. a.

8. What happens to force when mass is increased?

Give an example of ionic and covalent bond, and explain and make an example for each.

Which of these is the best reason for proper nutrition? A. To ensure that you will be skinny B. To protect yourself against certain diseases C. To improve your intelligence D. To ensure that you will get good grades