A car travels in an oval path as shown below.
= 25 m/s, West, and
= 20 m/s, North. The ratio of the magnitude of the centripetal acceleration at B to that at A,
src="https://sciemce.com/media/2/ppg__cognero__Chapter_4_Two_and_Three_Dimensional_Motion.__media__e90dd87f-71ff-4090-9310-9f96000636e3.PNG" style="vertical-align:-22px;" width="28px" height="55px" />, is:
?
?
A. 0.512
B. 0.64
C. 0.8
D. 1.25
E. 1.56
Answer: A
You might also like to view...
The average star spends ____ of its lifetime on the main sequence
a. 1% b. 2% c. 10% d. 20% e. 90%
A cart is moving with a constant horizontal velocity of 5.00 m/s
A small pebble is launched from the front of the cart with a velocity of 8.00 m/s at 60.0° above the horizontal as measured relative to the cart (see figure) and experiences no significant air resistance. Just as the pebble returns to the level from which it was launched, its distance from the front of the cart is closest to A) 2.83 m. B) 4.60 m. C) 5.66 m. D) 9.19 m. E) 11.3 m.
The specific heat capacity of a substance is the amount of energy required to raise 1 kg of the substance by a temperature of
a. 1°F. b. 10 °C. c. 10 °F. d. 1°C.
Three small objects are positioned at the following coordinates: the 3-0 kg object at (3.0 m, 2.0 m); the 4.0-kg object at (0.0 m, -1.0 m); and the 5.0-kg object at (5.0 m, -7.0 m). What are the coordinates of the center of mass of this system?
What will be an ideal response?