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Questions in physics

[Answered] A 4.5-newton object is placed in a tank of water. If the water exerts a force of 4.0 newtons on the object, will the object sink or float?

[Answered] 1. Accelerating objects are objects that are changing their velocity. Name the three controls on an automobile that cause it to accelerate.

[Answered] What is the direction of a resultant vector?

[Answered] 1) An airplane starts from rest and accelerates at a constant [tex]3.00 \, \text{m/s}^2[/tex] for 30.0 s before leaving the ground. What is its displacement during this time?

[Answered] With an average acceleration of \(-2.4 \, \text{m/s}^2\), how long will it take a cyclist to bring a bicycle with an initial speed of \(13.2 \, \text{m/s}\) to a complete stop? Answer in units of seconds.

[Answered] Find the current through a resistor of 2.0 ohms if the potential difference across it is 0.5 volts.

[Answered] Carlos pushes a 3 kg box with a force of 9 newtons. The force of friction on the box is 3 newtons in the opposite direction. What is the acceleration of the box?

[Answered] A scientist wants to raise the temperature of a 0.10-kilogram sample of glass from -45°C to 15°C. How much heat energy is required to produce this change in temperature?

[Answered] How does Newton's second law apply to basketball?

[Answered] How might a theory relate to a model in science?