Removal of small pieces of disintegrated rock is called?

a) mechanical weathering

b) chemical weathering

c) erosion

d) transportation

a truck uses a big engine for the acceleration while a car uses a smaller engine. the bicycle rider uses the force of his own. why does each vehicle require a different amount of force to accelerate?

A wire is first bent into the shape of a triangle. each side of the triangle is 20cm long. then the wire is bent and shaped into a square. what is the length of a side of the square

What is the average speed of a car that moves 570 m in 24 s a. 0.042 m/s b. 24 m/s c. 570 km/s d. 550 N e. 14000 m/s

What level of intensity is playing golf while pulling or carrying a set of clubs?

The equation below can be used to find the specific heat capacity of a substance. Work out the specific heat capacity of a substance if it takes 5200J of energy to heat 2kg of it from 42°C to 47°C

Is physical science part of physics?

Which statement is true about the atomic mass?

Velocity is: а - speed and direction. b - distance divided by time. c - always the same as speed. distance multiplied by time. d - distance multiplied by time

The gauge pressure in each of the four tires of an automobile is 230 kpa. if each tire has a "footprint" of 180 cm2 (area touching the ground), determine the mass of the car.

A bus travels 20 KM and 30 minutes what is average speed of the bus