A 51 g steel ball is released from rest and falls vertically onto a steel plate. The ball strikes the plate and is in contact with it for 0.5 ms. The ball rebounds elastically, and returns to its original height.
The time interval for a round trip is 3.00 s. In this situation, the average force exerted on the ball during contact with the plate is closest to: A) 3,000 N
B) 1,500 N
C) 2,490 N
D) 2,000 N
E) 3,500 N
Question 2
A 600-kg car is going around a banked curve with a radius of 110 m at a speed of 24.5 m/s. What is the appropriate banking angle so that the car stays on its path without the assistance of friction?
A) 60.9 B) 29.1 C) 33.8 D) 56.2 E) 13.5
A pair of humpback whales lunge feeding through a bait ball
Epiphyseal plate
Sources and Amounts of Oil Released into North American Marine Waters
In Charles Russell’s Trail of the Iron Horse (1910) steel rails stretch nearly to the sun while wisp
Receptors in the autonomic nervous system: (a) Sympathetic pathway: Ach is released at the ganglia ...
Metaphase Centromeres align on metaphase plate