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.
- (a)A car accelerate 5 at a constant rate of 1.83m/s^2 along a flat straight road. The force acting on the car is 1.870 kN. Calculate the mass of the car. Give your answer to three significant figures.
- In a reaction 24cm^3 of gas was produced in 3 minutes and N seconds Calculate the mean rate of reaction in cm^3/s
- Microwaves have a frequency of 10000 million Hz. Their wavelength is 0.03 m. Calculate the speed of microwaves. Show clearly how you work out your answer. Speed of microwaves __
- 4. A horizontal force of 40 Newtons pushes a block along a level table at a constant speed of 2 meters per second. How much work is done on the block in 6 seconds? (A) 120J B) 240J C) 480J D) 80J
- 1. A ball of mass 2 kg is moving with a velocity of 12m/s collides with a stationary ball of mass 6 kg and comes to rest.Calculate velocity of ball of mass 6kg after collision. 2. A 10.0g bullet is fired into a stationary block of wood (m=5.00kg) . The bullet sticks into the block, and the speed of the bullet-phis combination immedately after collision is 0.600m/s What was the original speed of the bullet? 3. A block of mass m_(1)=1.6kg initially moving to the right with a speed of 4m/s on a horizontal frictionless track collides with a block of mass m_(2)=2.1kg initially moving to the left with speed of 2.5m/s If the collision is elastic, find the velocities of the two block after collision? 4. A partcle of mass 4.Okg initially moving with velocity of 2.0m/s collides with a partcle of mass 6.Okg, initially moving velocity of -4m/s What are the velocity of the two particle after collision? 5. A 4kg block moving right at 6m/s collides elastically with a 2kg moving at 3m/s left, find final velocities the blocks.