If 128 g of material is in the shape of a brick 2 cm wide, 4 cm high, and 8 cm long, what is the density of the material?

How does the thickness of paint sprayed on a surface change when the sprayer is held twice as far away?

A cycler leaves home and rides due south for 65 km. She returns home on the same road. What is the cycler's displacement? Y

A 0.4 kg block rests on a desk. the coefficient of static friction is 0.2. You push the side of the block but do not have a spring scale to measure the force you use. the block does not move.

The diagram shows a motion map Which best describes the motion of the object between 1 and 4 seconds toata • The object has decreasing acceleration and increasing velocity The object has positive acceleration and eventually stops The object has

Decide which of newtons laws each situation shows. A grasshopper leaping into the air comes back down to the ground instead of continuing off into space. As you swim you move forward by pushing water back with your arms.

In otherwise empty space is a system of 4 particles, each of the same mass. The accelerations of the particles are as follows: a1 = ˆi a a2 = ˆj a 2 a3 = - (ˆi + ˆj) (2 a) a4 = (ˆi - ˆj) (3 a), where a > 0 is a constant.

How many electrons does a neutral atom of oxygen-18 have? 8 O 16.00 A. 8 B. 10 C. 18 D. 16

What is average velocity?

A bicycle moves from rest to 5 m/s in 5 sec. what is the acceleration of the bicycle

A proton moving in a region of a space does not experience any acceleration in the direction of motion.