What is the best way to determine if a chemical reaction occurred?

A) a new substance is created with new properties

B) it bubbles

C) properties stay the same

A man is chased by a bull in a field at a speed of 10m/s for 60 seconds. How far does he get before he is gored by the annoyed bovine?

What is a longitudinal wave? a. particles that travel in parallel to the direction of energy movement b. particles that travel in a reverse direction to the direction of energy movement c.

A spacecraft is traveling in interplanetary space at a constant velocity. What is the estimated distance traveled by the spacecraft in 9.50 seconds?

If Steve throws the football 50 meters in 3 seconds, what is the average speed (velocity) of the football?

How is wind energy converted into electrical energy.

How is a star's emission spectrum used to study stars?

A 52.0 kg skateboarder does a trick on a half-pipe. During the trick, he reaches a speed of 8.90 m/s. The radius of the half-pipe ramp is 3.00 meters. What is the minimum centripetal force necessary to keep the skater on the ramp?

When you are ice skating, to get started, you push your skate backwards on the ice and, as a result, begin to move forward. Which law of motion is being described in this scenario?

A small car collides with a large truck. Is the magnitude of the force experienced by the car greater than, less than, or equal to the magnitude of the force experienced by the truck? a. less than b. equal to c. greater than

As an airplane is taking off at an airport its position is closely monitored by radar. The following three positions are measured with their corresponding times: x1 = 241.22 m at t1 = 3.70 s, x2 = 297.60 m at t2 = 4.20 s, x3 = 360.23 m at t3 = 4.