A uniform rod is pivoted at its center. It is acted on by two forces in the plane. Each force has the same size, equal to 10N (newtons). In which case is there a turning effect?

In the figure, a radar station detects an airplane approaching directly from the east. At first observation, the airplane is at distance d1 = 320 m from the station and at angle θ1 = 31° above the horizon.

When the velocity of a moving object stays the same, it has a what speed?

A combination reaction is when two or more reactants __ to form one product

How is temperature related to kinetic energy

A student stands on a bathroom scale in an elevator at rest on the 64th floor of a building. The scale reads 836 N. a) As the elevator moves up, the scale reading increases to 935 N, then decreases back to 836 N.

What heats up hot chocolate faster? milk or water?

If 3000ft/3 of air crossing an evaporator coil and is cooled from 75F to 55F, what would be the volume of air, in ft/3, exiting the evaporator coil?

Amber moves from her desk to the door in 17 seconds. Her speed changes from rest to 5 m/s. What is Amber's average acceleration?

An initially stationary box of sand is to be pulled across a floor by means of a cable in which the tension should not exceed 1070 N. The coefficient of static friction between the box and the floor is 0.350.

While driving, which of the following principles should be used to keep the appropriate distance between your vehicle and the vehicle in front of you?