The average speed of a car is 27 m/s during the first 10 seconds of acceleration. What is the initial speed of the car if the acceleration is 3 ft/s^2? B50 IbsCables A and B supports the 50-pound load, as shown in the figure. What is the force exertedby Cable B if the cable A makes an angle of 60 degrees with respect to the vertical wall? * 5(1 Point)57.735 IbsO 32.020 IbsO 42.121 IbsO 23.595 IbsO 28.868 Ibs4. 30A 0.072 kg mass uses the potential energy of a spring in acquiring a speed of 0.4 m/s whenthe spring was decompressed from 0.1 meter. What is the total energy developed during theprocess if the spring constant is 0.5 N/m? * 5(1 Point)O 2.5x10^-3 JO 4.x10^-3 JO 6.5x10^-3 JO 8.25x10^-3 JO 10.75x10^-3 J

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The average speed of a car is 27 m/s during the first 10 seconds of acceleration. What is the initial speed of the car if the acceleration is 3 ft/s^2?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter9: Statics And Torque

Section: Chapter Questions

Problem 11PE: (a) What force must be exerted by the wind to support a 2.50-kg chicken in the position shown in...

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The average speed of a car is 27 m/s during the first 10 seconds of acceleration. What is the initial speed of the car if the acceleration is 3 ft/s^2?

B
50 Ibs
Cables A and B supports the 50-pound load, as shown in the figure. What is the force exerted
by Cable B if the cable A makes an angle of 60 degrees with respect to the vertical wall? * 5
(1 Point)
57.735 Ibs
O 32.020 Ibs
O 42.121 Ibs
O 23.595 Ibs
O 28.868 Ibs
4.

30
A 0.072 kg mass uses the potential energy of a spring in acquiring a speed of 0.4 m/s when
the spring was decompressed from 0.1 meter. What is the total energy developed during the
process if the spring constant is 0.5 N/m? * 5
(1 Point)
O 2.5x10^-3 J
O 4.x10^-3 J
O 6.5x10^-3 J
O 8.25x10^-3 J
O 10.75x10^-3 J

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