Many kayaks are made of plastic and other composite materials that are denser than water. How are such kayaks able to float in water?

Which of the following is a metric unit of mass? Question 2 options: kilogram pound liter ampere

Match the sequence number with the energy transformations from the water behind a hydroelectric dam to the lighting of a light bulb. 1. rain falls, being trapped behind dams 2 2. energy transferred to home to power light bulb 1 3.

Which example best represents an object with balanced forces acting upon it? A) A boat moving through the water. B) A book sitting on a high shelf. C) A wagon rolling down a steep hill. D) A baseball thrown thrown in the air.

What is the density of an object with a mass of 100.8 g and a volume of 144 cm3

A tight metal lid on a glass jar of jam may loosen if the lid is held under hot water for few minutes. This is because the water causes the?

What force is required to accelerate a body with the mass of 15 kilograms at a rate of 8m/s2?

Indicate whether the statement is true or false. A scientific fact is something that is absolute and unchanging.

Show the formula and caculate the speed of a car that traveled 100 km in 2 hours

Which of the following is true for a system consisting of a mass oscillating on the end of an ideal spring? A. The kinetic and potential energies are equal at all times. B. The kinetic and potential energies are both constant. C.

A 5.5 kg box is pushed across the lunch table. The acceleration of the box is 4.2 m/s2. What was the net force applied to the box? A) 1.3 N B) 1.31 N C) 9.7 N D) 23.1 N