Physics, 28.12.2020 03:40 gabrielleteti
4.) A rocket is fired at a 60° angle, which statement below is true about the launch velocity?
a.) The horizontal component of the velocity is greater than the vertical component.
b.) The vertical component of the velocity is greater than the horizontal component.
c.) The horizontal component of the velocity is equal to the vertical velocity component.
5.) A rocket is fired at a 60° angle, which statement below is true about the time the rocket
spends in the air?
a.) The rocket spends more time travelling upwards than it does outwards.
b.) The rocket spends more time travelling outwards than it does upwards.
c.) The rocket spends equal time travelling upwards and outwards.
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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Ablock having mass m slides down an inclined plane. the force of friction between the block and the inclined plane is f, the block's weight is m g, and the normal force is n. (a) draw a free – body force diagram showing the forces acting on the block. (b) write down all relevant newton’s equations for a given situation.
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How does the electric potential energy between two charged particles change if one particle is reduced by a factor of 3? a. increased by a factor of 3 b. it is decreased by a factor of 9 c. it is reduced by a factor of 3 d. it is increased by a factor of 9
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4.) A rocket is fired at a 60° angle, which statement below is true about the launch velocity?
a.)...
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