A caterpillar travels straight for 3 cm, and then turns left and crawls 4 centimeters farther. If its final position is east of its initial position, what is its displacement from its initial position?

Which planets are the most dense

Multiple lunar eclipses occur each year. How is it possible that each one can look different than the others? Explain.

An SUV is traveling at a speed of 18 m/s. If the SUV has a mass of 1,550 kg, what force must be applied to stop it in 8 seconds? A. - 4,030.7 N B. - 2.25 N C. - 2,700.0 N D. - 3,487.5 N

A robot probe drops a camera off the rim of a 278 m high cliff on Mars, where the free-fall acceleration is 3.7 m/s2. Find the velocity with which it hits the ground. Answer in units of m/s.

A 12-kg sled is moving at a speed of 2.0 m/s. At which of the following speeds will the sled have twice as much kinetic energy? A. 2.8 m/s B. 4.2 m/s C. 6 m/s D. none of the above

What is the acceleration of a 30.0-kg go kart if the thrust of its engine is 300.0 N?

Which of the following correctly compares a scientific investigation to a demonstration

You push a 45 kg wooden box across a wooden floor at a constant speed of 1.0 m/s. The coefficient of kinetic friction is 0.25. Now you double the force on the box. How long would it take for the velocity of the crate to double to 2.0 m/s

What is the middle layer of earth called

If 10 calories of energy are added to 2 grams of ice at - 30° C, calculate the final temperature of the ice. (Notice that the specific heat of ice is different from that of water.) T. F = -20° C -30° C 30° C 40° C