Walt ran 5 kilometers in 25 minutes, going eastward. What was his average velocity?

A. 0.17 km/m east

B. 0.2 km/m east

C. 5 km/m east

D. 25 km/m east

(Hint: C is not correct)

A shell fired into the air explodes into two equal fragments. Which of the following is conserved. a. Kinetic energy b. potential energy c. momentum d. impulse

Ice has a specific heat of 2090 J / (kg C) and water has a specific heat of 4186 J / (kg C). Water has a latent heat of fusion of 3.3x10^5 J/K and a latent heat of vaporization of 2.26x10^6 J/K.

To get a deeper stretch, Rosa bounces up and down while she stretches. What could occur as a result? She could cause an injury. She could increase her flexibility. She could increase her muscle strength. She could develop more endurance.

What do you do when ur dog is running away?

If humans only have three kinds of color photo-receptors, how can we see so many different colors?

What is Newtons 2nd law of motion?

A truck is using a hook to tow a car whose mass is one quarter that of the truck. If the force exerted by the truck on the car is 6000 N, then the force exerted by the car on the truck isa. 1500 Nb, 24000 Nc, 6000 Nd, 12000 N

A car traveling at a speed of v can brake to an emergency stop in a distance x. assuming all other driving conditions are all similar, if the traveling speed of the car doubles, the stopping distance will be

Why would an orange roll off your cafeteria tray if you stopped suddenly

Each shell is limited to a maximum of four electrons. True or False?