# physics

posted by .

In terms of given quantities, by what amount of time, , does Tim beat Rick?
Express the difference in time, in terms of , , and .

• physics -

In physics, to arrive at numerical answers, you need numerical input data.

You have not provided anything but some incomplete sentences.

You should consider dropping out of the course.

• physics -

(d(4-2VwVr+Vw^2+Vr^2))/2(Vr+Vw)

## Similar Questions

2. ### Physics-calc

Suppose the position of an object is given by ->r(vector) = (3.0t^2*ihat - 6.0t^3*jhat)m. Where t in seconds. Determine its velocity ->v as a function of time t. Determine its acceleration ->a as a function of time t. Determine …
3. ### Physics

Uniform Circular Motion: Suppose that a particle's position is given by the following expression: r(t) = Rcos(omega*t)i + Rsin(omega*t)j 1. Choose the answer that best completes the following sentence: The particle's motion at t=0 …
4. ### English

1. You need to check the time. (What kinds of time should be checked acording to the sentence?
5. ### Physics

Tim and Rick both can run at speed Vr and walk at speed , Vw with Vr > vw. They set off together on a journey of distance . Rick walks half of the distance and runs the other half. Tim walks half of the time and runs the other half. …
6. ### Physics

A stiff uniform wire of mass M_0 and length L_0 is cut, bent, and the parts soldered together so that it forms a circular wheel having four identical spokes coming out from the center. None of the wire is wasted, and you can neglect …
7. ### physics

Two workhorses tow a barge along a straight canal. Each horse exerts a constant force of magnitude F, and the tow ropes make an angle θ with the direction of motion of the horses and the barge. (Figure 1) Each horse is traveling …
8. ### physics

Cars A and B are racing each other along the same straight road in the following manner: Car A has a head start and is a distance DA beyond the starting line at t=0. The starting line is at x=0. Car A travels at a constant speed vA. …
9. ### math

Four students, Rick, Robin, Ryu, and Roy are registered for the same class and attend inde pendently of one another, Rick 96.5% of the time, Robin 93.3% of the time, Ryu 8 8.2 % of the time, and Roy 77.9 % of the time. What is the …