Recent questions in Velocity physics

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0 answers

A car moves with constant acceleration of 8 m/s for 5 seconds. If the final velocity is 40, what is the initial velocity?

asked Nov 10, 2022 in Velocity physics by StormyHorizon

+1.2k votes

0 answers

A car accelerates at a(t) = 2t^2 +2 with an initial velocity of 10 m/s. How fast is it going after 3 s?

asked Nov 10, 2022 in Velocity physics by Malcolm Coombes

+2 votes

0 answers

The velocity v of the particle is v=at²-bt. What are the dimensions of a and b and SI units for the quantities A and B?

asked Nov 10, 2022 in Velocity physics by Jason12349876 (1.8k points)

+61 votes

0 answers

A sports car accelerates at a rate of 8 ft/s^2 and travels 100 feet in about 2.8 seconds. What is the initial velocity to the nearest tenth?

asked Nov 10, 2022 in Velocity physics by Madmick

+18 votes

0 answers

A ball is thrown upwards from the ground with an initial speed of 'u'. The ball is at a height of 80m at two times, the time interval being 6s. What is 'u' [take g as 10m/s²]?

asked Oct 20, 2022 in Velocity physics by SeraphicTwilight

+8 votes

0 answers

An object starting from rest and gains the velocity of 60m/s in 3 seconds. What is the acceleration?

asked Oct 20, 2022 in Velocity physics by Louie007

+14 votes

0 answers

How high is a building if it takes 5 seconds for a ball to hit the floor?

asked Oct 20, 2022 in Velocity physics by MikeyNotPalmice

+1.1k votes

0 answers

Since rockets have zero velocity before being launched and take time to accelerate, shouldn't escape velocity refer to some point above the ground?

asked Oct 20, 2022 in Velocity physics by yellowtump

+11 votes

0 answers

A particle moves in a straight line and has acceleration given by a(t) =6t+4. Its initial velocity is v(o) =-6m/s and its initial displacement s(0) =9m. What is its position function s(t)?

asked Oct 19, 2022 in Velocity physics by DaveyC

+453 votes

0 answers

What is the velocity of an electron in its highest orbital, just before leaving the atom?

asked Oct 19, 2022 in Velocity physics by richc1234

+5 votes

0 answers

Two bodies A and B are moving with speed VA= V and VB= 2V relative to the ground respectively. If they are moving in opposite direction, then what will be the velocity of B relative to A?

asked Oct 19, 2022 in Velocity physics by koolpc

+283 votes

0 answers

A ball is thrown up vertically. It takes 3 seconds to reach the maximum height. What is its initial velocity?

asked Oct 18, 2022 in Velocity physics by Dtadaz

+23 votes

0 answers

Can velocity be defined as speed plus direction?

asked Oct 18, 2022 in Velocity physics by NovaDreamer

+62 votes

0 answers

A ball is thrown with a velocity of 7√2 m/sat an angle of 45° with the horizontal. It clears 2 vertical poles of 90cm in height each. What is the separation between the poles?

asked Oct 18, 2022 in Velocity physics by NebulaMystic (3.8k points)

+13 votes

0 answers

How do I show that the increase in surface area of a homemade rocket decreases the time of flight of the rocket if launched at 90 degrees as the velocity is changing?

asked Oct 17, 2022 in Velocity physics by popop

+13 votes

0 answers

An Apple is tossed vertically up from the top of a 30.0 m tall building and reaches a height of 2.00 m above the rooftop. With what speed is Apple thrown upward? And how long would it take to reach the ground?

asked Oct 17, 2022 in Velocity physics by DIY womble

+27 votes

0 answers

How do you find the velocity of an object at its maximum height if its vertical acceleration at that time was zero?

asked Oct 17, 2022 in Velocity physics by Guy

+1 vote

0 answers

Why is the ionisation energy a finite value? In order to eject an e- to infinity, it needs an infinite amount of energy, otherwise the velocity of the e- decreases due to nuclear attraction until it reaches the reversal point and comes back again.

asked Oct 17, 2022 in Velocity physics by devils advocate

+280 votes

0 answers

If acceleration is in bracket 2 t + 1 m/s at given t=0 and velocity =1 ms briefly, what is the instantaneous velocity (t=2s)?

asked Oct 17, 2022 in Velocity physics by plumbandgas.com

+12 votes

0 answers

A particle of mass m moves along a straight line under the influence of a constant force magnitude F. If the initial speed is u, what is the velocity and the distance travelled after time t?

asked Oct 17, 2022 in Velocity physics by Chrismiller1992

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Recent questions in Velocity physics

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