Physics, 24.02.2021 21:00 sugarpiegiselle6915
A model rocket is powered by an inflated balloon as shown below. When the air in the balloon is released, the rocket will move forward. Which of the following statements is the best example of Newton's Third Law of Motion in this situation?
A. The rocket's mass is equal to the gravitational force.
B. The rocket moves in the direction of the applied reaction force.
C. The rocket changes its inertia as air is released.
D. The rocket's mass is equal to the force of the released air.
Answers: 2
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Which of the following is a homogenous mixture? o a. a toy box filled with toys o b. blood o c. trail mix o d. spaghetti and meatballs submit
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The rigid beam is supported by the three suspender bars. bars ab and ef are made of aluminum and bar cd is made of steel. if each bar has a cross-sectional area of 450 mm2, determine the maximum value of p if the allowable stress is (σallow)st = 200 mpa for the steel and ( σallow)al = 150 mpa for the aluminum. est = 200 gpa and eal = 70 gpa.
Answers: 1
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5g of ammonium nitrate was dissolved in 60g of water in an insulated container. the temperature at the start of the reaction was 23.0°c and at the end it was 19.0°c. calculate the energy absorbed by the reaction.
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A model rocket is powered by an inflated balloon as shown below. When the air in the balloon is rele...
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