A pulley system is used to lift a 100kg box using a 100N force what is the mechanical advantage

4. Solid 'X' turns into a liquid at 80 0C and into a gas at 140 0C. Describe the changes in the particles of X when it is heated from . 85 0C to 145 0Cm the 0 is degree

How is the motion of the particles in the soup different after the temperature of the soup increases?

A train started from rest and moved with constant acceleration. At one time it was traveling 27 m/s, and 150 m farther on it was traveling 54 m/s.

How much heat has to be added to 508 g of copper at 22.3°C to raise the temperature of the copper to 49.8°C? (The specific heat of copper is 0.377 J/g·°C.)

A steam catapult launches a jet aircraft (from rest) from the aircraft carrier John C. Stennis, giving it a speed of 200 mi/h in 3.00 s. (a) Find the average acceleration of the plane. ... ?

In which medium would light travel the fastest? Question 21 options: a. across a room b. in a swimming pool c. through outer space d. through a railroad track

A 0.60 Kilo gram basketball poses on the rim of a basketball hoop that is 3.0 m high find the potential energy of the ball there (use G=10 N/KG.)

2. What was the role of women as industry increased? A. They gained the vote, B. They became industry leaders, e. They led the household D. They can for government office,

A 26-g steel-jacketed bullet is fired with a velocity of 630 m/s toward a steel plate and ricochets along path CD with a velocity 500 m/s.

A small boat is carrying four people across a river. Without any paddling, the boat moves downstream at a steady speed of 5 m/s. If the average weight of the four people is 60 kg, then what is the speed of the boat after one person gets?