Give any two uses each for concave and convex mirror.

A student pushes a 40-N block across the floor for a distance of 10 m. How much work was done to move the block? Question 3 options: 4 J 40 J 400 J 4,000 J

If limestone is exposed to the right amount of heat and pressure what might it become

Which of the following is not one of the main rivers in South Asia? A. Ganges B. Idus C. Brahmaputra D. Mekong

You push on a crate with a force of 10 N to the right, and your friend pushes on the crate with a force of 25 N to the left. Describe and explain the motion of the crate.

A 0.500-kilogram cart traveling to the right on a horizontal, frictionless surface at 2.20 meters per second collides head on with a 0.800-kilogram cart moving to the left at 1.10 meters per second.

550 g of water at 105°C is poured into an 855 g aluminum container with an initial temperature of 11°C. The specific heat of aluminum is 900 J / (kg K).

what occurs when the soccer ball contacts the hands or arm of any player on the field except the goalkeeper?

Sand on a beach is covered by other layers of sand over time. The extra layers compress the first layer, packing it tighter and tighter. Over time, the bottom layers of sand have formed into sandstone, with colored bands showing the different layers.

How do i solve A sound wave has a frequency of 658 Hz in air and a wavelength of 0.46 m. What is the temperature of the air? Assume the velocity of sound at 0◦C is 331 m/s. Answer in units of ◦C

How has the space program affected Florida's culture