A water bed that is 1.5 m wide and 2.5 m long weighs 1055 N. Assuming the entire lower surface of the bed is in contact with the floor, what is the pressure the bed exerts on the floor? a. 250 Pa c. 270 Pa b. 260 Pa d. 280 Pa

Which object has the highest temperature? (see chart below) Object Kinetic Energy Of Molecules (J) a 1.50 x 10^4 b 1.73 x 10^5 c 2.73 x 10^3 d 5.06 x 10^4 Answers: (a) object C (b) object A (c) object B (d) object D

Which of the following best summarizes the law of conservation of mass? a. Matter can be changed but not created or destroyed. b. Matter can be destroyed during a chemical reaction. C.

8. Humans need oxygen to break down food in order to provide energy for cells. The oxygen needed for this process is delivered by an organ system called the A. respiratory system. B. lungs. C. digestive system. D. alveolus.

During the summer months, why is the average temperature much higher in many regions of the globe? A. There is no snow. B. The amount of sunlight reaching the environment stays constant. C. More sunlight reaches the environment. D.

Benjamin threw a rock straight up from a cliff that was 36 ft above the water. if the height of the rock h, in feet, after t seconds is given by the equation nbsp h equals negative 16 t squared plus 36 t plus 36 , how long will it take for the rock

How much more ground motion is produced by an earthquake of magnitude 7.0 than by an earthquake of magnitude 4.0?

What evidence is there of life in a mini habitat?

A hole is drilled to the center of the earth and a ball is dropped into it. When the ball is at the earth's center, compared with their respective values at the earth's surface,

What is the development of static?

Methane gas absorbs red light, and methane clouds reflect blue light, giving Uranus and Neptune their distinctive blue colors. Why do Uranus and Neptune have methane clouds, but Jupiter and Saturn do not