Calculate the amount of work done when a grocery store stocker uses 120N of force to lift a sack of flour 1.5m onto a shelf

Science fiction movies that include explosion sound effects for battles in space are not scientifically correct. Why is this? A. The sound from an explosion can only be transmitted by air. B.

What type of effect do you predict friction will have on the potential energy of the skater?

The electric field that is 0.25m from a small sphere is 450n/c toward the sphere. a. Is the charge positive or negative? Why? b. What is the magnitude of the charge on the sphere?

What is a scalar quantity?

What is two. 08*10 to the 10th power as standard notation

Two identical objects are pressed against two different springs so that each spring stores 55.0J of potential energy. The objects are then released from rest.

Zonal winds on the giant planets are stronger than those on the terrestrial planets because

When you try to stretch a bungee cord a distance x, it resists with an opposing force of the form b x2, where b is a constant. If b is measured to be 6 N/m2, how much work does it take to stretch the bungee cord a distance of 1 meterA. 2JB. 3JC. 0.

A 420 W vacuum cleaner is designed to operate 120 V. What is its resistance?

Technician A says that engine parts should be be cleaned before a thorough test can be done to detect cracks. Technician B says that pressure testing can be used to find cracks in blocks or cylinder heads. Who is right?