A 20 kg truck drives in a circle of radius 4 m at 10m/s. What is the centripetal acceleration of the truck?

A. 15 m/s/s

B. 25 m/s/s

C. 20 m/s/s

D. 30 m/s/s

A railroad diesel engine weighs four times as much as a freight car. If the diesel engine coasts at 5 km/h into a freight car initially at rest, what is the speed of the coupled engine and car?

In which part of the eye are eye floaters found? Cornea. Vitreous humor. Retina. Convex lens.

What is an isobar? a. a unit of measurement for air pressure b. a line along which air pressure is constant c. a region in which the weather is not changing d. a symbol on a weather map showing wind direction

Who was the scientist that developed the Electron Cloud Model

Andre the Giant and Tiny Tim are on ice skates in the middle of a frozen pond. Tim pushes Andre away from him The total momentum of Andre and Tim after the push is

A motorcycle stunt driver zooms off the end of a cliff at a speed of 30 meters per second. If he lands after 0.75 seconds, what is the height of the cliff? a. What do you know? b. What do you need to solve for? c. What equation (s) will you use? d.

What is true of all particles of gas enclosed within a container?

In mammals, the weight of the heart is approximately 0.5% of the total body weight. Write a linear model that gives the heart weight in terms of the whole body weight. Use the model to fins a. the weight of a human whose weight is 183 lbs.

For a projectile launched from the vertically from the surface the earth with initial velocity v0, the velocity of the projectile when at distance r from the center of the earth satisifes the equation: v^2 =

What is the formula for convection?