Please answer all the questions ASAP. Willing to rate after.
Please Answer All The Questions Asap Willing To Rate After 1 (56.79 KiB) Viewed 41 times
1.) A cyclist is moving along a highway at 12 km/h and is heading north. He feels a wind blowing from the west to east at 5 km/h. What is the velocity of the cyclist relative to a stationary observer on the highway? A. 12 km/h, north B.13 km/h, 67° north of east C.13 km/h, 67° north of west D.13 km/h, 23° north of west 2.) A 20.0-cm tall toy car is placed 60.0 cm in front of a converging mirror whose focal length is 30.0 cm. Which is the CORRECT description of the image formed? A. The image is upright, real, and 40. cm tall. B.The image is inverted, real, and 20.0 cm tall. C.The image is inverted, virtual, and 40. cm tall. D. The image is upright, virtual, and 20.0 cm tall. 3.) A man on a skateboard (mtotal=63 kg) is moving at 7.22 m/s when a 159 N force is applied opposite the direction of the skateboarder's motion, causing it to slow down to 2.27 m/s. What is the skateboarder's change in momentum? A. -598 kg.m/s B.-312 kg.m/s C. -0.0786 kg.m/s D. 0.151 kg.m/s
4.) In the picture below shows a 5.0-kg mass that is being pulled by a 70-N force along a rough inclined plane that is elevated from the ground by 37°. If the coefficient of kinetic friction between the block and inclined plane is 0.4, what is the magnitude of the net force acting on the block? 37° A. 5.0 N B. 10 N C. 20 N D. 25 N
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