A car is moving 18 m/s to the eat. If it takes the car 5 seconds to reach a velocity of 19 m/s to the east, what is its acceleration?

A. 0.2 m/s^2 west

B. 0.2 m/s^2 east

C. 1 m/s^2 east

D. 5 m/s^2 east

Dose sugar crystallizes faster in tap or distilled water?

Magnetism is produced by the motion of electrons as they A. move around the nucleus. B. spin on their axes. C. both A and B D. none of the above

Unpolarized light passes through two ideal Polaroid sheets. 12.3% of the incident light is transmitted. What is the angle between the transmission axes of the Polaroid sheets?

Part B - Permeability of the lipid bilayer Some solutes are able to pass directly through the lipid bilayer of a plasma membrane, whereas other solutes require a transport protein or other mechanism to cross between the inside and the outside of a

Five 16 resistors are connected in series across a 120 v generator. what is the equivalent resistance of the circuit?

1. An automobile with a mass of 1000 kg accelerates when the traffic light turns green. If the net force on the car is 4000 N, what is the car's acceleration?

Imagine that you replace the block in the video with a happy or sad ball identical to the one used as a pendulum, so that the sad ball strikes a sad ball and the happy ball strikes a happy ball.

Under what conditions will an object experience a gravitational force? Under what conditions will an object experience an electric force? Under what conditions will an object experience a magnetic force?

A basketball player pushes down with a force of 34 N on a basketball that is inflated to a gauge pressure of 9 x 104 Pa. What is the diameter of contact between the ball! and the floor?

Match these terms with their definitions: 1. unit of electrical resistance ampere 2. unit of electromotive force or electrical potential ohm 3. unit for measuring the strength of an electric current volt 4. unit of electrical power watt