What is the acceleration of a softball if it has a mass of 0.50kg and hits the catchers glove with a force of 25N

How are light years used to measure distances in the universe

An example of something that is biodegradable is a leaf in a compost pile. a. True b. False

Question 8 Unsaved Which of the following is true about magnetic poles? Question 8 options: Like poles repel each other, and opposite poles attract each other. Opposite poles repel each other. Like poles attract each other.

7 E-8, 7 E8, 7 E-4 write the full number aka standard notation

Under what conditions would a scale record a weight for an object which is equal to the magnitude of the gravitational force on the object?

A star has a mass of 1.36 x 1030 kg and is moving in a circular orbit about the center of its galaxy. the radius of the orbit is 2.1 x 104 light-years (1 light-year = 9.5 x 1015 m), and the angular speed of the star is 1.1 x 10-15 rad/s.

Floating in deep space, you find yourself at rest next to a small asteroid. You reach out and tap the asteroid with a hammer. What happens to you in this process?

You walk forward at 1.5 m/s for 8s. Your friend decides to walk faster and starts out at 2.0 m/s for the first 4 s. Then she slows down and walks forward at 1.0 m/s for the next 4s. Make a distance-time graph of your motion and your friend's motion.

If the coolant in a refrigerator was not compressed back into a liquid after it flowed through the refrigerator what would happen

A electric model train travels at 0.339 m/s around a circular track of radius 1.75 m. How many revolutions does it perform per second, i. e, what is the motion's frequency?