It takes Serina 0.25 hour to drive to school. Her route is 16 km long. What is Serinaa's average speed on her drive to school?

During an in-class demonstration of momentum change and impulse, Mr. H asks Jerome (102 kg) and Michael (98 kg) to sit on a large 14-kg skate cart. Mr. H asks Suzie (44 kg) to sit on a second 14-kg skate cart.

Under favorable circumstances, including reaction time, a motor vehicle with good brakes going 50 mph can be stopped within?

A 57.0-kg boy and his 43.0-kg sister, both wearing roller blades, face each other at rest. The girl pushes the boy hard, sending him backward with a velocity 3.00 m/s toward the west. Ignore friction. (a) Describe the subsequent motion of the girl.

Can you get sunburned through glass?

Stored energy due to the interactions between objects

According to this lesson, how many major ice ages has the earth undergone? A. 2 B. 3 C. 4 D. 5

In 2016, the city of Rio de Janeiro had a population density of 5377 people/km2. What was the population density of Rio in people per square meter?

Which kingdom consists only of complex multicellular, eukaryotic organisms which must consume or ingest other organisms for nutrition?

A boy throws a ball straight up in the air with an initial velocity of V+3 mls. The ball reaches a maximum height and starts towards earth. The boy catches the ball at the same height that it left his hand. How long is the ball in the air? 6. a.

Which of the following is a complex machine? 1) piano 2) bottle opener 3) shoehorn 4) doorknob