Physics, 28.07.2020 19:01 HealTheWorld
At the scene of an accident, there are skid marks which are 200 feet long showing where a car put on the brakes. The driver swears that he was obeying the speed limit. If we assume that the car braked with a constant deceleration of 16ft/sec^2, we can determine whether or not the driver is telling the truth. how fast was he going when he applied the brakes?
Answers: 2
Physics, 21.06.2019 18:00
Alivestock company reports that the mean weight of a group of young steers is 1100 pounds with a standard deviation of 93 pounds. based on the model n(1100,93) for the weights of steers, what percent of steers weigh a) over 1050 pounds? b) under 1300 pounds? c) between 1150 and 1250 pounds?
Answers: 1
Physics, 22.06.2019 04:00
What is the final velocity of the initial velocity of 25 and -50?
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In a system, when potential energy decreases, then entropy also decreases. true false
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Physics, 22.06.2019 09:00
An open cart is moving along a straight frictionless horizontal track. when rain starts falling vertically into the cart, what happens to the speed of the cart?
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At the scene of an accident, there are skid marks which are 200 feet long showing where a car put on...
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