An experiment wants to find the wind speed that begins to lift an airplane. The strategy is to use 1/32 scale mode and wind tunnel. Why is this strategy valid?

Four objects are situated along the y axis as follows: a 2.00-kg object is at 13.00 m, a 3.00-kg object is at 12.50 m, a 2.50-kg object is at the origin, and a 4.00-kg object is at 20.500 m. Where is the center of mass of these objects?

boris the bear is lumbering along at a constant rate of 4.0 m/s. if he walks for 600.0 seconds, how far will he travel?

The height of the Washington Monument is measured to be 170 m on a day when the temperature is 35.0ºC. What will its height be on a day when the temperature falls to - 10.

You've entered the Great Space Race. Your engines are hearty enough to keep you in second place. While racing, the person in front of you begins to have engine troubles and turns on his emergency lights that emit at a frequency of 5.900x10¹⁴ Hz.

What was the most significant accomplishment of the apollo program? a. building the first space station b. sending a probe to study the sun c. landing an astronaut on the moon d. sending the first astronaut into space

If two waves collide and form a temporary smaller wave, the interference is?

Which statement best describes anatomy and physiology? Anatomy studies the reaction of chemicals to different substances, and physiology studies the body's internal functions.

In a Little League baseball game, the 145 g ball enters the strike zone with a speed of 17.0 m/s. The batter hits the ball, and it leaves his bat with a speed of 24.0 m/s in exactly the opposite direction.

The mass of the products (solid and gaseous) of a fire is the same as the mass of the fuel and oxygen consumed in the fire. true or false

What is formed when two or more atoms are combined?" A. Molecules B. Big atoms C. Elements