Physics, 07.12.2020 19:30 gabrieljerron
I was driving 70 m/h down the highway one evening when suddenly a deer jumped in front of the car. I immediately hit
my breaks and slowed to a stop. Which of the following statements best describes the forces acting on my car slowed
down.
A. the frictional force from the breaks is greater than the thrust engine
B. The Weight of the car is greater than the drag force
C. The frictional force from the breaks is equal to the thrust of the engine because I was still moving forward
D. The frictional force from the breaks is less than the thrust force of the engine because I was still moving forward
Answers: 2
Physics, 21.06.2019 17:10
Aprojectile is launched horizontally 10m above the ground and with an initial velocity of 15 m/s. a) sketch the trajectory using an appropriate coordination system. b) how long for the projectile to reach the ground. c) how far did projectile travel horizontally before striking the ground. d) determine the projectilex & y position at t-1.3s e) determine the magnitude and direction of projectile velocity at t= 1.3s f) determine the magnitude and direction of projectile acceleration at t-1.3s
Answers: 1
Physics, 22.06.2019 07:00
Critical mass is the of material required to produce a chain reaction. a.) minimum amount b.) atomic mass c.) precise amount d.) maximum amount
Answers: 1
Physics, 22.06.2019 13:30
6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.
Answers: 2
I was driving 70 m/h down the highway one evening when suddenly a deer jumped in front of the car. I...
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