GuideFoot - Learn Together, Grow Smarter. Logo

Questions in physics

📝 Answered - How does the Doppler effect change wave speed?

📝 Answered - For a freely falling object dropped from rest, what is the acceleration at the end of the fifth second of fall?

📝 Answered - The following forces are considered non-contact forces: magnetic force, air resistance force, and tension force. Is this statement true or false?

📝 Answered - What is the value of work done on an object when a 70-newton force moves it 9.0 meters in the same direction as the force?

📝 Answered - A sound pulse emitted underwater reflects off a school of fish and is detected at the same place 0.01 seconds later. How far away are the fish?

📝 Answered - Discuss what it means to view a moving object from a frame of reference. Provide an example to illustrate your explanation.

📝 Answered - A projectile follows a straight-line path instead of a parabolic trajectory. Which could be the launch angle? A. 90° B. 45° C. 30°

📝 Answered - Calculate the kinetic energy of a 100.0-kg meteor approaching the Earth at a speed of 10.0 km/s. Remember that 1 km = 1000 m.

📝 Answered - If a magnet is attracted to a metal object, what can you say about the pole of the magnet and the pole of the object?

📝 Answered - Describe at least two ways that gravitational and strong nuclear forces are alike and two ways that they are different.