The free-body diagram below represents a car traveling at a constant velocity. Which force does B represent

The red light from the ant passed into the lens As the light enters the lens, state what happens to 1. Its wavelength 2. Its frequency

You throw a ball downward from a window at a speed of 2.0 m/s. How fast will it be moving when it hits the sidewalk 2.5 m below?

A bar magnet whose magnetic dipole moment is A·m2 is suspended from a thread in a region where external coils apply a magnetic field of T. What is the vector torque that acts on the bar magnet? (Express your answer in vector form.)

Which of the following is a unit of energy found in food? a). vitamin b) calorie c) nutrient d) water

When you see a traffic light turn red, you apply the brakes until you come to a stop. Your initial speed was 13 m/s. Assume constant deceleration. Suppose the car comes to rest in 38 m. How much time does it take?

I'm Always in front of you. but you never see me. what am i?

An alternative to CFL bulbs and incandescent bulbs are light-emitting diode (LED) bulbs. A 60 W incandescent bulb can be replaced by a 12 W LED bulb. Both produce 800 lumens of light. Assuming the cost of electricity is $0.

Energy is the ability to A. do work. B. exert force. C. transfer heat. D. create or destroy matter.

what is the force of static friction on Earth between a 2000 kg car and the road if a coefficient of static friction is 0.4?

Why does nobody like me?