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The diagram shows a girl lifting a box of welght 50 N from a low shelf to a high shelf.

high shelf

low shelf

11.8m

50N

0,6 m

How much work is done on the box?

A. 30J

B. 60J

C. 90J

D. 120J

A container of gas is at a pressure of 3.7 * 105 Pa How much work is done by the gas if its volume expands by 1.6 m3?

A pipe is subjected to a tension force of P = 50.00 kN. The pipe outside diameter is 32.00 mm, the wall thickness is 6.00 mm, and the elastic modulus is E = 150.00 GPa. Determine the normal strain in the pipe. Express the strain in mm/mm.

A crate of 45.2-kg tools rests on a horizontal floor. You exert a gradually increasing horizontal push on it and observe that the crate just begins to move when your force exceeds 310N.

What is the semimajor axis of a circle of diameter 24 cm? What is its eccentricity?

What are the 5 major air masses that affect North America?

Voltage can exist without A. current. B. resistance. C. a closed circuit. D. all of these

During a football game, a receiver has just caught a pass and is standing still. Before he can move, a tackler, running at a velocity of 2.60 m/s, grabs and holds onto him so that they move off together with a velocity of 1.30 m/s.

What effect does an increase in temperature have on viscosity?

Aman tosses a jart upward with a velocity of 14.1 m/s a 60° angle

Describe accuracy, precision and best fit line.