A block of lead has dimensions of 4.50cm by 5.20cm by 6.00cm. The block weighs 1587g. From this information, calculate the density of the lead.

A marathon runner starts her race at 7 miles an hour. by the end of the race, 5 hours later, her speed is 5.5 miles an hour. what is her acceleration

A car has a mass of 1000 kg and is moving with a velocity of 10 meters/second. What is the momentum of the car?

In a series circuit with three bulbs, a. there are many paths for the current to take. b. the remaining two bulbs are not affected if one bulb burns out. c. all of the bulbs become dimmer as more bulbs are added. d. a switch is never used.

Peppered moths are dark because?

In each case the momentum before the collision is: (2.00 kg) (2.00 m/s) = 4.00 kg * m/s 1. In each of the three cases above show that momentum is conserved by finding the total momentum after the collision. 2.

What is a sentence for refraction

A stimulus with a low predictive value means that

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?