183 Answered Questions for the topic Velocity

10/15/20

#### 1-D Kinematics of Particles

Particle 𝐴, which is initially at rest, wants to meet Particle 𝐵, however they are 𝑋𝑌𝑍 ft away from one another. The motion of particle 𝐴 heading toward 𝐵 is defined by the relation: 𝑠 = 1/𝑎2 where...
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06/14/20

#### College Algebra

A varsity soccer player kicks a soccer ball approximately straight upward with an initial velocity of 68 ft/sec. The ball leaves the players foot at a height of 3 feet. Part 1 of 2: (2 pts)Use the...
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#### How do you find the question mark for the part of the force exerted on the stone? The answer should include other variables

ball = sphere ( pos=vec(-2,1,0 ), m = 0.5 , alpha = 0*pi/180,#alpha = angle radius=0.02, color=color.red, make_trail=True, trail_type='points') #,interval=50,retain=50)ball.v = vec( 1,...
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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...
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#### 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?

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....
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#### 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...
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#### 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...
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Velocity Physics

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...
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#### 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....
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#### Kinematics problem for an object

While solving kinematics problem for the motion of an object, a student obtained thefollowing result: a = k –bv, where, a is acceleration, v is speed and k and b are positiveconstant. Given that at...
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Velocity Speed

09/11/19

#### A ball rolls down a ramp for 15 seconds. If the initial velocity of the ball was 0.8 m/sec and the final velocity was 7 m/sec what was the acceleration of the ball.

#### 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...
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#### 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,...
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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...
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Velocity Physics

04/24/19

#### A ball thrown horizontally from a height of 20 m and hits the ground with a speed that is three times its initial speed. What was the initial speed?

#### 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

Velocity

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?

Velocity

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?

#### 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.

Velocity

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...
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Velocity Physics

10/30/18

#### HELP ASAP:A car moves along a highway at a steady speed of 12m/s. The car accelerates at a rate of 0.65 m/s/s for 12 seconds. What is the new velocity of the car?

Kindly show me the formula as well as the working outs. Thank you.

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