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Questions in physics

[Answered] What is the equation for velocity?

[Answered] Do you need to know calculus to solve physics problems?

[Answered] Kepler's discoveries regarding the motions of the planets were based on the observations of: A. Copernicus B. Aristarchus C. Brahe D. Ptolemy

[Answered] What is the cross-sectional area of an object that experiences a stress of [tex]6,000 \, \text{N/m}^2[/tex] when a force of [tex]2,400 \, \text{newtons}[/tex] is applied to it?

[Answered] A car starts from rest and accelerates uniformly over a time of 5.21 seconds for a distance of 110 m. Determine the acceleration of the car.

[Answered] Acid precipitation is caused by a mix of: A. Respiration, carbonic acids, and seawater. B. Water, soil, and air. C. Sulfur dioxide, carbon dioxide, and nitrogen oxides. D. Hydrogen, oxygen, and saline.

[Answered] Your parents order an oven from England. The temperature dial on the new oven is calibrated in degrees Celsius. If you need to bake a cake at 350°F in the new oven, at what temperature should you set the dial?

[Answered] Due to human demand and its importance to life, the Earth's most precious resource is: A. Soil B. Saltwater C. Freshwater D. Oil

[Answered] A volleyball serve was in the air for 2.2 seconds before it landed untouched in the far corner of the opponent’s court. What was the maximum height of the serve?

[Answered] A real car moving at 10 km/h has more momentum than a toy car moving at the same rate because ________?