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Velocity Physics

11/05/14

Please help with this. The website I got this from didn't explain the solution very well

A boat travels for three hours with a current of 3 mph and then returns the same distance against the current in four hours. What is the boat's speed in four hours? How fast did the boat travel one... more

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Velocity

11/03/14

Whats the relative velocity

if a crow flies into a headwind of 10m/s and the crow still achieves a relative velocity of 6m/s compared to the ground then what would his relative velocity be if that same wind where a tailwind?

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Velocity Physics Density Current

10/26/14

What happens to the change carrier density

If the current carried by a conductor is doubled what happens to a)the charge carrier density b)the current density c)the electron drift velocity d)the average time interval between... more

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Velocity Word Problem

10/23/14

Please help with my problem and show work as an example

A diver dives off the 10-meter platform into the swimming pool below. If her initial velocity is 5.5 m/s, what is her maximum height above the platform, and when will she hit the water?

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Velocity Acceleration Time Height

10/13/14

Muzzle velocity and distance

A rifle bullet is fired vertically upwards with a muzzle velocity of 700 m/s. Assuming no air resistance, what height will it reach? How long will it take to reach the ground again?

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Velocity

09/11/14

A plane can fly 325 mph in still air. If it can fly 190 miles downwind in the same amount of time it can fly 135 miles upwind, find the velocity of the wind.

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Velocity Algebra 1 Algebra 2 Calculus

07/31/14

A super hero leaps from a building to capture a villain. The data from this leap is shown below

Time(seconds) .75 | 1.5 | 2 | 2.25 | 2.75 | 3.5 Height(feet) 108 | 119 | 116| 112 | 97 | 59 1. What type of function best models this data linear exponential quadratic or other 2. Use a... more

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Velocity Calculus Acceleration

07/29/14

Calculus velocity question..

A particle is moving with velocity v(t) = t^2 – 9t + 18 with distance, s measured in meters, left or right of zero, and t measured in seconds, with t between 0 and 8 seconds inclusive. The position... more

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Velocity Calculus Physics Acceleration

07/29/14

Calculus velocity question..

A particle is moving with velocity v(t) = t^2 – 9t + 18 with distance, s measured in meters, left or right of zero, and t measured in seconds, with t between 0 and 8 seconds inclusive. The position... more

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Velocity Math Algebra 2 Quadratic Formula

07/27/14

Solve for t when the object hits the ground. Fill in the blanks of the quadratic formula.

If an object is thrown vertically upward with an initial velocity of v, from an originial position of s, the height h at any time t is given by h = -16t^2 +vt + s (where h and s are in ft, t is... more

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Velocity

03/12/14

what is the distance driven?

Amy drove from Denver to boulder during rush hour at an average speed of 30mph and drove home at an average speed of 45mph. If the round trip took 1.75 hours, how far is it from Boulder to Denver?

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Velocity Math Physics Multiplacation

10/10/13

i need help with a momemtnum problem on my homework

a 2kg blob of putty moving at 3 m/s slams into a 2 kg of putty at rest. what is the initial momentum of the two blobs? what must be the final momentum of the two blobs? Also, calculate the velocity... more

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Velocity Physics Mechanics

01/29/13

A train, a late passenger, and related velocities - Please help ASAP

A train pulls away from a station with a constant acceleration of 0.37 m/s2. A passenger arrives at a point next to the track 6.1 s after the end of the train has passed the very same point. What... more

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Velocity Physics Mechanics Average

01/29/13

An average velocity question dealing with a relay race - Please help ASAP

The cheetah can run as fast as 113 km/h, the falcon can fly as fast as 161 km/h, and the sailfish can swim as fast as 105 km/h. The three of them run a relay with each covering a distance L at... more

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