Motion problems + velocity - math problems
Number of problems found: 250
- Constant motion
The car has undergone constant motion 120 km in 1 hour 30 minutes. Determine its average speed. Determine how long car drove in the first 20 minutes and 50 minutes from the start of the move.
- The position
The position of a body at any time T is given by the displacement function S=t3-2t2-4t-8. Find its acceleration at each instant time when the velocity is zero.
- Up and down motion
We throw the body from a height h = 5 m above the Earth vertically upwards v0 = 10 m/s. How long before we have to let the second body fall freely from the same height to hit the Earth at the same time?
- Car
Car is going 95 km per hour. How long distance goes in 1 minute?
- The car
The car travels at a speed of 70 km/h, what distance will it travel in 2 hours?
- Free fall
The free fall body has gone 10m in the last 0.5s. Find the body speed at the moment of impact.
- Motion against
From two places 36 km apart, a pedestrian and a cyclist will go straight opposite each other. How long will they meet if the speed of the pedestrian is 4 km/h and the cyclist 12 km/h?
- Bob traveled
Bob traveled 20 meters to Dave's house. He arrived in 3 minutes. What was his average speed for the trip.
- Earth rotation
How fast is the place on the Earth's equator moving if the Earth's radius is 6378 km?
- RPM
An electric motor makes 3,000 revolutions per minutes. How many degrees does it rotate in one second?
- Cyclist 12
What is the average speed of a cycle traveling at 20 km in 60 minutes in km/h?
- Speed of car
In 2 hours 40 mins, a car travels 100km. At what speed is the car traveling?
- Aircraft
If an airplane flies 846 km/h for 8 h, how far does it travel?
- Cyclist 9
A cyclist travels at a a speed of 4.25 km per hour. At that rate, how far can he travel in 3.75 hours?
- Cars motion
From point A car start at the speed of 90 km/h. Against it departs from the point B at the same time another car at 60 km/h. For how long and where they met if the distance between A and B is 180 km?
- Free fall
For how long and at what speed does the body fall to the ground during a free fall from a height of 35 m?
- Acceleration
The car accelerates at rate 0.5m/s2. How long travels 400 meters and what will be its speed?
- Wind drift
The plane flies at 900 km/h, passing distance 1800 kilometers with the wind and once again against the wind for 4 h 1 min. What is the wind speed?
- Motion 2
At 10 o'clock started from place A car speed at 90 km/h. 20 minutes after started from the place B at speed 60 km/h another car. Distance places A and B is 120 kilometers. What time and where they meet?
- Train 2
The train slowed down from 90 km/h to 72 km/h in 5 seconds. How long track travel?
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