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What is the height of a tower if a rock dropped from it hits the ground after falling for 2 seconds?
19.6 meters / 64.4 ft
How do I solve 'the mean speed in feet per seconds' if I can cover 90 feet in 4.5 seconds?
"Mean" means "average"= (distance covered) divided by (time to cover the distance)= ( 90 / 4.5 ) = 20 feet per second
Which is faster a person who covered 10 meters in 5 seconds or the one who covered 20 meters in 10 seconds?
They are the same .
What is a runners speed if a distance of 200.0 meters is covered in 21.4 seconds?
Divide the distance by the time. In this case, the answer will be in meters/second. If you want to convert that to the more common kilometers per hour, multiply this result by 3.6.
Suppose a rock in free fall is dropped off a cliff After falling 5 seconds its speed will be 100?
False v=1/2 a t2 t=5s a=9.81m/s2 v=122.625 m/s
Is distance covered during nth second more than the distance covered in n seconds?
Distance covered in nth second means the distance covered in that particular second . It cannot be more than the distance covered in n seconds which means the distance covered in a total time of n seconds.
What is the average speed at 20 seconds?
None.Speed is the distance covered per unit of time. If no distance is covered then the speed is 0.None.Speed is the distance covered per unit of time. If no distance is covered then the speed is 0.None.Speed is the distance covered per unit of time. If no distance is covered then the speed is 0.None.Speed is the distance covered per unit of time. If no distance is covered then the speed is 0.
What is the height of a tower if a rock dropped from it hits the ground after falling for 2 seconds?
19.6 meters / 64.4 ft
A stone falls freely from rest The total distance covered by it in the last second of its motion equals the distance covered by it in the first three seconds How long does the stone remain in air?
A stone falls freely from rest The total distance covered by it in the last second of its motion equals the distance covered by it in the first three seconds How long does the stone remain in air?
How far does something fall in 2.56 seconds?
That depends on how long it's been falling altogether. If it was just dropped at the beginning of the 2.56 seconds, and it's only been falling for 2.56 seconds altogether, then it has fallen 32.1 meters (105.3 feet). (rounded) If it was falling for some time before the 2.56 seconds began, then it fell farther. A falling object keeps falling faster and faster as time goes on.
How long will it take an object dropped from a window to fall a distance of 78.4 meters?
4 Seconds
How do you find the height of the tower given only 8 seconds stone is dropped?
distance = speed x time so the distance is just the speed of the stone x 8 seconds
Below is the rule for calculating the velocity of a falling object Use this rule to calculate the rate expressed in feet per second that a piano dropped 4 seconds ago is falling?
128
Suppose an object in free fall is dropped from a building Its starting velocity is 0 Ignoring the effects of air resistance what is the speed of the object after falling 3 seconds?
The speed of the object after falling for 3 seconds in free fall is 29.4 m/s.
What is the distance sun from the earth in light years?
average sun distance form earth : 149669180 Km 1 light year = 9460528400000 Km distance covered by light in 1 year = 9460528400000 Km distance covered in 1 Sec = 299786 Km 149669180 km covered in = 149669180/299786 s = 499.25 light seconds = 18 light min 19.25 light seconds
What is the velocity of freely falling objects 5 seconds after being dropped?
The velocity of a freely falling object 5 seconds after being dropped is approximately 49 meters per second (m/s) downwards. This is the velocity an object reaches due to the acceleration of gravity (9.8 m/s^2) acting on it.
What is the average constant speed of the object between 2 and 5 seconds?
The average constant speed of the object between 2 and 5 seconds is the total distance covered divided by the time elapsed. If you have the distance covered during this time interval, divide it by 3 seconds (5s - 2s) to get the average constant speed.
