To travel at a constant speed, a car engine provides 24 kw of useful power. the driving force on the car is 600 n. at what speed does it travel? a. 2.5 m s–1 b. 4.0 m s–1 c. 25 m s–1 d. 40 m s–1

The mini-refrigerator fire was most likely caused by what type of wiring?

Aperson gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. the cart travels forward along the floor, gradually slowing as it moves. consider the horizontal force(s) on the cart while it is moving forward and slowing. which of the following statements is correct? (a) both a forward and a backward force are acting on the cart, but the forward force is larger. (b) only a forward force is acting which diminishes with time. (c) both a forward and a backward force are acting on the cart, but the backward force is larger. (d) only a backward force is acting, no forward force.

Afrequency generator sends a 550 hz sound wave through both water and ice. what is the difference in wavelength between the wave produced in ice and the wave produced in water?