Speed
If a car travels 400 m in 20 seconds, how fast is it going?
20 m/s
If a dog runs 100 m north in 15 seconds toward his home, what is his velocity?
Round to two decimal places.
6.67 m/s north
A ball rolls down a ramp for 15 seconds. If the initial velocity of the ball was 0.8 m/s and the final velocity was 7 m/s, what was the acceleration of the ball?
Round to two decimal places
0.41 m/s2
An arrow is moving at 35 m/s and travels for 5 seconds. How far did the arrow travel?
175 m
How long would it take for a car to travel a distance of 200 km if it is traveling at a velocity of 55 km/h west?
Round to two decimal places.
3.64 hours
A roller coaster rapidly picks up speed as it rolls down a slope. As it starts down the slope, the speed is 4 m/s. But 3 seconds later, at the bottom of the slope, its speed is 22 m/s. What is the average acceleration?
6 m/s2
You arrive in my class 45 seconds after leaving math, which is 90 meters away. How fast did you travel?
2 m/s
How much time does it take a person to walk 12 km north at a velocity of 6.5 km/h?
Round to two decimal places.
1.85 hrs.
A roller coaster is moving at 25 m/s at the bottom of a hill. Three seconds later it reaches the top of the hill moving at 10 m/s. What was the acceleration of the coaster?
-5 m/s2
Megan rolls a ball down a ramp until the ball hits the wall. The ramp is 2.5 m long and the distance from the end of the ramp to the wall is 1.5 m. If it took 0.5 seconds for the ball to hit the wall then what is the ball’s speed?
8 m/s
A girl is pedaling her bicycle at a velocity of 0.08 km/h east. How far will she travel in 2.1 hours?
Round to two decimal places.
0.17 km east
How long will it take a car to go from a complete stop to 44 km/hr if they are accelerating at 5 km/hr2 ?
8.8 hr
If you shout into the Grand Canyon, your voice travels at the speed of sound (340 m/s) to the bottom of the canyon and back, and you hear an echo. How deep is the Grand Canyon at a spot where you can hear your voice 5.2 seconds after you shout?
884 m
A motorcycle travels 90.0 km/h. How many seconds will it take the motorcycle to cover 2.10 x 103 m?
Round to two decimal places.
23.33 km
If a Ferrari, with an initial velocity of 10 m/s, accelerates at a rate of 50 m/s2 for 3 seconds, what will its final velocity be?
160 m/s