Physics Homework Aid
Physics holds significant importance among the natural sciences, elucidating life's wonders and ranking among the most challenging subjects to master.
QuestionAI is a rich and user-friendly physics problem solver for novice physicists, enabling exploration of atomic properties and interactions, alongside molecular trajectories under various forces. Furthermore, you can delve into the mysteries concealed amidst galaxies with fellow physics enthusiasts. Boldly pose your conjectures and queries to the AI, and authoritative answers will readily emerge.
- Problem 5. A bullet leaves a rifle with a velocity of 452m/s. While accelerating through the barrel of the rifle, the bullet moves a distance of 0.93 m. Determine the acceleration of the bullet. square Problem 6. The observation deck of the Empire State Building is 381 m above the street.Determine the time required for a penny to free fall from the deck to the street below. square Problem 7. A bowling ball is dropped on the Jupiter from a height of 3 meters with an initial velocity of 0.4m/s The acceleration of gravity on Jupiter is 24.5m/s^2 How long does it take for the bowling ball to reach the surface of Jupiter? square Problem 8. A truck accelerates uniformly from rest to a speed of 9.2m/s over a distance of 26.2 m. Determine the acceleration of the truck. square
- Who first proposed that matter is made up of small particles, or atoms? A) Democritus B) Rutherford C) Dalton D) Lavoisier
- 8cm/year Pick all of the following that are velocities. Select of correct options 4km/s west 2 mph 5m/sup 5cm/h south
- 8.- A train is travelling at 50ms^-1 when the driver applies the brakes and gives the train a constant deceleration of magnitude 0.50ms^-2 for 100 s. Describe what happens to the train Calculate the distance travelled by the train in 100 s.
- (c) Some of the energy from the wind used to rotate a wind turbine is wasted An engineer oils the mechanical parts of a wind turbine. Explain how oiling would affect the efficiency of the wind turbine __ (d) In most homes in the UK there are many different electrical devices Explain why people should be encouraged to use energy efficient electrical devices __