Only correct answers are needed, explanation not needed.

Question 1 (1 point) A Joule is equivalent to which of the following: Newton-metre Watt O Work O Newton-second Question 2 (1 point) How much work is done in moving an object 3.0 m with a 70 N force applied to a rope at an angle of 40 above the horizontal. ( 57 J 160 J O 280 J Question 3 (1 point) Which object has a kinetic energy of 600 J? A 12 kg object travelling at 50 m/s. A 3.0 kg object travelling at 20 m/s. A 6.0 kg object travelling at 10 m/s. O A 40 kg object travelling at 30 m/s.Question 4 (1 point) Which object below possesses more gravitational potential energy than kinetic energy? A 3.0 kg object travelling at 10 m/s at a height of 5.0 m above the ground. A 7.5 kg object travelling at 7.0 m/s at a height of 2.5 m above the ground. A 40 kg object travelling at 4.0 m/s at a height of 0.5 m above the ground. A 20 kg object travelling at 8.0 m/s at a height of 4.0 m above the ground. Question 5 (1 point) A spring bumper on a toy pinball machine applies an average force of 18 N when compressed by 0.90 cm. Which value below is closest to the magnitude of its spring constant? O 16 O 20 O 44 2000