A
Physics, 12.03.2021 17:00 tristan4233
Question 1
A ball is set at the top of a 77.4 cm long ramp. Once the ball is released,
A
1.4 cm/s
B
2.3 cm/s
C
24 cm/s
D
43 cm/s
Answers: 1
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Ared apple is illuminated by a blue light the apple will appear
Answers: 1
Physics, 22.06.2019 02:30
Mass (kg) force (n) 5 25 10 50 15 75 20 100 a student was trying to find the relationship between mass and force. he placed four different masses on a table and pulled them using a spring scale. the table shows the different masses used in the experiment and the force required to pull each mass. the student concluded that more force was required to pull heavier objects. what comment would you make regarding his conclusion? a) no clear relation can be observed between mass and force from the data. b) there is a direct proportion between the mass and force listed in the table. c) gravity should have been taken into account while performing the experiment. d) there is an inverse proportion between the mass and force listed in the table.
Answers: 2
Physics, 22.06.2019 13:40
An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.
Answers: 2
Question 1
A ball is set at the top of a 77.4 cm long ramp. Once the ball is released,
A
A
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