What is weight, in newtons, of a 50.-kg person on earth?

One night it snows so that the snow on the lawn has a uniform depth of 19.5 cm. What volume of snow is on the lawn, in cubic centimeters?

To take off from the ground, an airplane must reach a sufficiently high speed. The velocity required for the takeoff, the takeoff velocity, depends on several factors, including the weight of the aircraft and the wind velocity.

What do glands do for the body?

Isla made a diagram to compare X-rays and radio waves. What should Isla write in the areas marked A, B, and C?

Which type of energy is the energy of a moving tennis ball? Is it kinetic energy or potential energy?

Which statement best describes heating by conduction? A.) Air molecules touch the warm ground, heating them up B.) Air at the equator rises and sinks at the poles C.) Sunlight travels through space without the aid of fluids or solids D.

Brandy has built a computer model of a weather system. She has included information about bodies of water, the Sun, and the atmosphere. Brandy records the average daily temperature of a continental city that is at sea level (City A).

superman lived on another planet where the acceleration due to gravity is 23.6 m/s^2. if a woman falls from a building that is 65m tall, how long he have to save her before she hits the ground

What is a main difference between hurricanes and tornadoes? Tornadoes form only over warm water, and hurricanes form only over cold water. Tornadoes happen during the winter, and hurricanes happen during the summer.

If an element with an atomic number of 51 and an atomic mass of 121, how many neutrons does it have?