Physics, 01.11.2020 19:40 decoreyjpaipxv
A stunt car is being used in a movie scene. Big Arm Arnold is to drive off a 74.7 m high cliff with an initial horizontal speed if 55 km/h. To film this stunt, the director needs to know how long the car will be in freefall, and how far from the base of the cliff the stunt car will land. Also determine the stunt car’s final velocity.
Answers: 2
Physics, 22.06.2019 05:30
If gases like carbon dioxide and methane make up less than 1% of the total atmosphere, why is it important for scientists to monitor changes in percentages of these gases?
Answers: 1
Physics, 22.06.2019 08:30
What is the primary force that suspension bridges use cables to hold their spans up? a. tension force b. resistance force c. normal force d. elastic force e. applied force
Answers: 3
Physics, 22.06.2019 10:30
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 13:50
The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?
Answers: 2
A stunt car is being used in a movie scene. Big Arm Arnold is to drive off a 74.7 m high cliff with...
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