Physics, 22.10.2020 01:01 kailahgranger
A car is accelerating uniformly as it passes two checkpoints that are 30 m apart. The time taken between
checkpoints is 4.0 s, and the car's speed at the first checkpoint is 5.0 m/s. Find the car's acceleration and
its speed at the second checkpoint.
Answers: 1
Physics, 20.06.2019 18:04, singlegirlforlife541
A900 kg roller coaster car is travelling westward on the track and begins to slow down from 18m/s to 2m/s. how long does it take the roller coaster car to decelerate if the force acting on the car to slow it is 7024n? how far does the roller coaster travel during this time?
Answers: 1
Physics, 22.06.2019 10:30, laura52677
Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?
Answers: 1
Physics, 22.06.2019 11:30, animaljamissofab
Acaterpillar tries to climb straight up a wall a meter high, but for every 2 cm up it climbs, it slides down 1 cm. eventually, it reaches the top. when it reaches the top, it does not pull itself over so it will slide down 1 cm. what is the total displacement traveled?
Answers: 3
A car is accelerating uniformly as it passes two checkpoints that are 30 m apart. The time taken bet...
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