A basketball court is 35m long and a toy car is placed at one end. Starting from rest, it takes 8.45 seconds to cross the other side. Calculate the average velocity of the car.
A navy plane can land on a ship while going 245km/hr. Calculate the acceleration of the plane if it can go from 235km/hr to rest in 425m.
A space probe needs to accelerate from 34m/s to 65m/s in 1500m. Hom much time will it take to achieve this.
average speed = distance/time
v initial = 245 km/ hr * 1 hr / 3600 s * 1000 m/km =68 m/s
vfinal = 0
(If you mean 235, use that)
acceleration = change in velocity / time = (0-68) / time
time = distance / average speed = 435 / (.5*68)
34m/s to 65m/s in 1500m
average speed = (34 + 65)/2 = 49.5m/s
distance = speed * time
1500 = 49.5 * t
To calculate the average velocity of the car, you need to divide the displacement by the time taken.
The displacement is the change in position of the car, which in this case is the length of the basketball court. Given that the basketball court is 35 meters long, the displacement is 35 meters.
The time taken is given as 8.45 seconds.
Therefore, the average velocity can be calculated as:
Average velocity = displacement / time taken
Average velocity = 35 meters / 8.45 seconds
To compute this in decimal form, divide 35 by 8.45:
Average velocity ≈ 4.142 m/s
So, the average velocity of the toy car is approximately 4.142 meters per second.