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179 Answered Questions for the topic Velocity

04/15/20

HELP NEEDED PLEASE

 One jet flies east at 880 km/h and another jet is flying north at 880 km/h. Do they have the same velocity? Do they have the same speed? 

04/15/20

HEEELLPP I DON'T UNDERSTAND

An ant is crawling on your ruler. He is on the 6 cm. mark and he crawls back to the 2 cm mark. He does this in 2 seconds. What is the distance he crawls? What is his speed? What is his... more

04/14/20

HELLLLPPP SCIENCE

 An ant is crawling on your ruler. He is on the 6 cm. mark and he crawls back to the 2 cm mark. He does this in 2 seconds. What is the distance he crawls? What is his speed? What is his velocity?

04/14/20

Calculus , algebra

A rocket is launched upward with a initial velocity of 86ft/sec . It’s height after T seconds is given by 86t-16t2 . How high will the rocket go ?

03/16/20

Two wheel gears are connected by a chain.

Two wheel gears are connected by a chain. The larger gear has a radius of 6 centimeters and the smaller gear has a radius of 4 centimeters. The smaller gear completes 28 revolutions in 15 seconds.... more

02/04/20

Please help! Quadratic function solving

A basketball player shoots a basketball with an initial velocity of 15 ft/sec. The ball is released from an initial height of 6.5 feet.The function         models the height, in feet, of an object... more

11/21/19

Physics Question- Momentum and Impulse

A 52 kg girl rides on a 2.6 kg skateboard. The girl on the skateboard moves at 1.3 m/s. If the girl jumps off the skateboard backwards with a velocity of 1.6 m/s, how fast does the skateboard roll... more

10/31/19

Physics and the Olympics

Two skaters in a winter Olympic figure skating competition start from rest, push off against each other on a frictionless level ice. One is a man with mass M1 = 75.6 kg and the other is a woman... more

10/07/19

I dont understand math

A projectile is launched from ground level with an initial velocity of v0 feet per second. Neglecting air​ resistance, its height in feet t seconds after launch is given by s = -16 t 2 + v0 t.... more

08/30/19

Physics Speed and velocity help

A student is walking with a constant speed of v1 m/s along High Street and sees a puddle d1 meters ahead of her. A bus driver is driving parallel to the student along High street/ The bus is d2... more

07/02/19

Calculus Velocity

The position of an object moving along a line is given by the function s(t)=−14t2+140t. Find the average velocity of the object over the following intervals.​(a)​ [1, 55​]​(b) ​[1, 44​]​(c)​ [1,... more

06/15/19

what is the initial speed of the ball when it is projected into the air

A small ball is projected vertically upwards from a height of 3 meters above the groundThe ball hits the ground 2 seconds laterIf air resistance is negligible and the acceleration due to gravity is... more

03/19/19

Kinematics - Using equations

A bicycle travelling at 5ms^-1 undergoes uniform acceleration and travels a distance of 600m in 20s.Calculate:a) accelerationb) velocity at the end of 20s

01/25/19

What was the velocity of a car if it was driving 40 miles North and it took 2 hours?

What was the velocity of a car if it was driving 40 miles North and it took 2 hours?

01/25/19

if you ran 100m south in 1.5 seconds, what would the velocity be?

if you ran 100m south in 1.5 seconds, what would the velocity be?

12/20/18

Distance, displacement speed and velocity

A student went for a run. She ran for exactly 22 minutes at an average speed of 4.0m/s calculate the distance she ran in km and state the equation that links distance travelled, average speed time.

12/19/18

The point P(3,1) lies on the curve y= (3/x). if Q is the point (x, (3/x), find the slope of the secant line PQ for the following values of x.

if x=3.1, the slope of PQ is:if x= 3.01, the slope of PQ is:if x= 2.9, the slope of PQ is:is x=2.99, the slope of PQ is:based on the above results, guess the slope of the tangent line to the curve... more

10/28/18

Velocity, How far does the object move?

An object moving on a number line as position s given by s=t^2 (where t is measured in seconds and s in feet). At time t=2, its velocity is 4 feet per second, as you can check .How far does it move... more

10/04/18

Rolle's Theorem

The height of a ball t seconds after it is thrown upward from a height of 5 feet and with an initial velocity of 64 feet per second is f (t) = -16t2 + 64t + 5.   Verify that f(1) = f(3). In ft.f... more

10/01/18

Physics Question:

In a 3 km race, a runner completes the first km in 6 minutes, the second km in 7 minutes,  and the final km in 7 minutes. The average speed of the runner for the race is approximately what?A) 6.7... more

10/01/18

A deer moves East through the Forest at 4 m/s for 10 seconds. What is the deer's displacement?

The choices A) 40 mB) 4 m/s East C) 40 m EastD) 40 m/s
1 3 4 5 6 7 8

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