I have a baseball bat. I shave off some weight from the handle and put it on the head of the bat. A baseball player thinks I have changed the bat's moment of inertia. Is he right or wrong

1 Cal = 4.186 J, is called a. Mechanical equivalent of heat b. Equivalence between mechanical energy and internal energy c. Both a and b.

A car travels 250km and stops along the way. the entire trip takes 5 hours. what is the average speed of the car a) 25 km/h b) 40 km/h c) 50 km/h d) 250 km/h

Describing Changes of State How is temperature related to the physical change of a substance?

Kris runs a 5 K (kilometer) race for charity. It takes her 1 hour. What is Kris' average speed? Question 3 options: 5 miles per hour 5 kilometers per hour. 2 kilometers per hour 10 kilometers per hour

A plane designed for vertical takeoff has a mass of 8.0 * 10³ kg. Find the net work done by all forces on the plane as it accelerates upward at 1.0 m/s² through a distance of 30.0 m after starting from rest.

What does it mean when a plane is perpendicular to the x-axis?

If the weight of an object that is submerged in a fluid is 10 N and the buoyant force on it is 20 N, what will happen to the object?|

A switch in an electric circuit controls the flow of electrons in the circuit. True O False

What are three common forms of work in science

A boat travels north across a river at a velocity of 22 meters/second with respect to the water. The river's velocity is 2.2 meters/second to the east. What is the resultant velocity of the boat, as measured from the land?