Constan A soccer player can kick the ball 31 m on level ground, with its initial velocity at 44° to the horizontal. Part A At the same initial speed and angle to the horizontal, what horizontal distance can the player kick the ball on a 13° upward slope? Express your answer using two significant figures. HA d= 13.6 Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining

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Proper Length

The theory of special relativity explains the connection between space and time to objects that move in a straight line at a constant speed. The objects move at the speed of light. When an object approaches light speed, its mass is endless and cannot move faster than light. The most crucial postulate of Einstein's special relativity is that the laws of nature do not change in each frame of reference.