Question

What was the average speed of the toy car during the two trials to the nearest tenth of a m/s?

A golf ball is hit a distance of 300 yards in 10 sec. What is the speed of the golf ball?
Mr. Smith is traveling from Houston, TX to Dallas, TX. It takes 4 hours to make the 224-mile trip. What is his velocity?
Options:
A) 0.9 m/s, 27.78 m/s, 56 mph
B) 2.025 m/s, 30 m/s, 56 mph
C) 2.025 m/s, 30 m/s, 224 mph
D) 2.5 m/s, 30 m/s, 56 mph

Answer 1

To find the average speed of the toy car and the speed of the golf ball and Mr. Smith's velocity, we can use the formula distance/time.

Step-by-step explanation:

To find the average speed, we need to divide the total distance traveled by the total time taken.

For the golf ball, it traveled a distance of 300 yards in 10 seconds. To convert yards to meters, we multiply by a conversion factor of 0.9144. So, the distance traveled by the golf ball is 300 * 0.9144 = 274.32 meters. The speed of the golf ball is the distance divided by the time: 274.32 / 10 = 27.43 m/s.

For Mr. Smith's trip, he traveled a distance of 224 miles in 4 hours. To convert miles to kilometers, we multiply by a conversion factor of 1.60934. So, the distance traveled by Mr. Smith is 224 * 1.60934 = 360.49 kilometers. The velocity is the distance divided by the time: 360.49 / 4 = 90.12 km/h. Therefore, the correct option is B) 2.025 m/s, 30 m/s, 56 mph.