problems involving constant speed and average speed

When we travel in a vehicle the speed of the vehicle changes from time to time depending upon the conditions existing on the road. In such a situation, the speed is calculated by taking the ratio of the total distance travelled by the vehicle to the total time taken for the jour..

This is the average of speeds possessed by the molecules in a sample of any gas. This is defined as, ..

The three molecular speeds are expressed as ..

. In case of non-uniform motion, the distance covered by the object the speed of the object is increasing in steps. The speed remains constant during the time interval 0 - t 1 , t 1 - t 2 , t 2 - t 3 ...... Figure below gives the motion of an object moving with variabl..

William drove to Columbus at an average speed of 90 miles / hr, and returned over the same route at an average speed of 75 miles / hr. What is his average speed for the entire trip? => 76.81 miles / hr or 81.81 miles / hr or 86.81 miles / ..

Tanya drives at a constant speed from Kansas City to Providence. The scatter plot shows the distance traveled by her at various times. What is the speed at which she is driving? => 80 mph or 100 mph or 75 mph or 50 mph..

The graph shows the relationship between distance and time for a truck driven at a constant speed. Make a table for the function and write a rule to represent the function. => Distance = 15 + time or Distance = 15 × Time or Distance = 5 × Time or Distance = Time - 5 ..

A parachute drops at a constant rate of 10 ft/sec. Find the velocity and speed. => 10 ft/sec, - 10 ft/sec or - 10 ft/sec, - 10 ft/sec or - 10 ft/sec, 10 ft/sec or 10 ft/sec, 10 ft/sec..

Andy travels at an average speed of 40 km/h for 2 hours and at an average speed of 45 km/h for 3 hours. Calculate the total distance traveled by Andy in 5 hours. => 215 km or 80 km or 205 km or 70 km..

Zelma is driving at an average speed of 65 miles per hour. How far can she drive in 6 hours? => 390 miles or 15 miles or 80 miles or 450 miles..