Impulse: Three cars, car X, car Y, and car Z, begin accelerating from rest at the same time. Car X is more massive than car Y, which is more massive than car Z. The net accelerating force exerted on each car is identical. After 10 seconds, which car has the most amount of momentum?
A. They all have the same amount of momentum.
B. Car X
C. Car Y
D. Car Z
Answer: A
You might also like to view...
Stars motion within the disk of the Milky Way galaxy are ordered in that they the all go in the same direction, counter-clockwise, as viewed from above (e.g., as viewed from above the north rotational axis of the Sun),
a. True b. False Indicate whether the statement is true or false
A 2.0-kg object moving with a velocity of 5.0 m/s in the positive x direction strikes and sticks to a 3.0-kg object moving with a speed of 2.0 m/s in the same direction. How much kinetic energy is lost in this collision?
a. 2.4 J b. 9.6 J c. 5.4 J d. 0.6 J e. 6.0 J
Three long, straight, parallel wires each carry a current of 10 A in the positive x direction. If the distance between each wire and the other two is 10 cm, what is the magnitude of the magnetic force on a 20-cm length of either of the wires?
A. 57 ?N B. 40 ?N C. 69 ?N D. 50 ?N E. 20 ?N
When a ball is thrown straight up with no air resistance, the acceleration at its highest point
A) is upward. B) is downward. C) is zero. D) reverses from upward to downward. E) reverses from downward to upward.