Which of the following is an example of a physical change?

A. water freezing

B. a cake baking

C. a match burning

D. fireworks exploding

A hotel elevator ascends 200m with maximum speed of 5m/s. its acceleration and deceleration both have a magnitude of 1.0m/s2. part a how far does the elevator move while accelerating to full speed from rest?

Turner's treadmill starts with a velocity of -2.7 m/s and speeds up at regular intervals during a half-hour workout. After 33 min, the treadmill has a velocity of - 7.1 m/s.

Just as the skydiver steps out of the helicopter Somos what do you start a stopwatch so the time is zero at the skydiver steps out of the plane what is the skydivers dour velocity at the instant just before starting to fall

How is Julio most likely trying to determine the pebble's volume? by calculating water density by calculating water displacement by measuring the pebble's dimensions by measuring the pebble's mass

What is the current through a 11v bulb with a power of 99w

Which of the following is a feature of the sun's radiation? A. It cannot travel through air. B. It cannot travel through vacuum. C. It is made up of rays of the same frequency. D. It is made up of rays of different wavelengths.

determine the pressure exerted on the surface of a submarine cruising 175 ft below the free surface of the sea. assume that the barometric pressure is 14.7 psia and the specific gravity of seawater is 1.03.

9. An astronaut of mass 90 kg walks in space outside her spaceship and receives a 30-N force from a nitrogen spurt gun. What acceleration does she experience?

Which of the following describes the charge of an atom before any electrons are transferred? positive charge negative charge it depends on the number of protons and neutrons neutral charge

A slow jogger runs a mile in 16 minutes. Calculate the speed in