Solving equations 7 in total

1) A car travels 261.9 miles in 3.7 hours, then stops at a test stop for 0.5 hours and finally finishes the trip by driving 202.7 miles in 3.9 hours. What is the average speed of the entire trip including the rest stop. Round to the 1st decimal place.

2) A sprinter goes from 0 m/s to 18.5 m/s in 5.6 seconds. What is the acceleration of the sprinter? Round to the 1st decimal

3) A person jumps out of a plane and falls for 29.9 seconds, how far does the person fall in this time? Round to the 1st decimal place.

4) A 892.57 kg car at a stop light is rear-ended by a 3,981.26 kg car traveling 39.06 km/h what will be the speed of the cars after the collision? Round to the 2nd decimal place

5) What is the gravitation force of attraction between an object that weighs 21,025,499,132.22 kg and an object that weighs 2,686,492,545,529.36. The distance between these two objects in 11.56 m. Put your answer in scientific notation and round to the 2nd decimal place (ex. 1.23e3)

6) Suppose a radio signal travels from Earth and through space at a a speed of 3 x 108 m/s. How far into space did the signal travel during the first 10.9 minutes? Check your units their might be a conversion, and round to the 1st decimal place.

7) If the Sun is a distance of 1.5 x 108 km from Earth, howl long does it take sunlight to reach Earth if light moves at a speed of 3 x 108 m/s? Check your units there may be a conversion, no decimal required for this problem. Leave your answer in seconds.

SAMPLE ASSIGNMENT

Sample-2

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