What measurements would you need to calculate the density of a nail?

A) The length of the nail.

B) The color of the nail.

C) The mass of the nail.

D) The material the nail is made from.

How Do You Appreciate the role of spherical mirrors in daily life?

What is the total displacement of a dog that runs north 80 meters to chase a ball, returns to its master, and then runs south 20 meters?

Find the direction (clockwise or counterclockwise) of the current induced in loop AA if II is steadily decreasing. The current in loop AA is clockwise. The current in loop AA is counterclockwise. The current in loop AA is zero.

A 5 kg block is being pulled to the right by a rope tied to it. The block is accelerating at 2 m/s2 to the right. How much force is being applied? Use the formula F = m x a Select one: a. 3.5 N b. 3 N c. 7 N d. 10 N

Chegg A late passenger, sprinting at 8.00 m/s, is 30.0 m away from the rear end of a train when the train starts from rest with a constant acceleration of 1.00 m/s2.

What is happening if energy input remains constant and voltage remains the same in a circuit, but the current decreases? A. The resistance has increased. B. The volts have decreased. C. The power has increased.

The velocity - time graph of a ball of mass 25g moving on road is as given below: (a) How much force does the road exert on the ball to bring it to rest? (b) What is the direction of the force exerted by the road?

A spring required a force of 5.0 n to compress it 0.1 m. How much work is required to stretch the spring 0.4 m?

ou purchase a rectangular piece of metal that has dimen - sions 5.0 * 15.0 * 30.0 mm and mass 0.0158 kg. The seller tells you that the metal is gold. To check this, you compute the average density of the piece.

Which are true: 1) Two negative charges repel each other. 2) A neutral object contains no charge carriers. 3) Electric charge is quantized. 4) Electric charge is conserved. 5) Two positive charges attract each other.