physics question: A police car drives 230 km with a constant speed of 120km/h and another 170 km with a constant speed of 60km/h.

physics question: A police car drives 230 km with a constant speed of 120km/h and another 170 km with a constant speed of 60km/h.

Combing your hair leads to excess electrons on the comb. How fast would you have to move the comb up and down to produce green light? (Assume λ = 569 nm.)

A force of 10 newton makes an angle of 30 degree with y axis. Find out the magnitude of x component.

Describe how changing the fluid density, drag coefficient, and area of the ball affect the Kinetic energy of the ball?

what speed does the block slide across the table?

The schwarzchild radius of a black hole containg 7.95 x 10 ^ 28 kg is ___ meters

What can be said about the total energy and work if we looked at the system as the ball + earth instead of just the ball.

I have a test for Physics tomorrow, and I was working on some practice problems, but I don't understand this question. I was wondering if someone could show me how to work it out? Thanks! Question: Two...

Useful for problem: Ki > Kf (loses energy due to collision) Ki = 0.5m1v1i^2 + 0.5m2v2i^2 Kf = 0.5(m1 + m2)vf^2 v1i is initial velocity of m1. v2i is initial...

Consider the electric charge distribution shown in figure Formed by three small spheres And a larger one. The density of Charge in the various regions of the Space is indicated in...

The same block moves up h meters. What is Vb in terms of given symbols? Use g, not 9.8 N/kg.

An infinite line of charge with linear density λ1 = 7.4 μC/m is positioned along the axis of a thick insulating shell of inner radius a = 2.8 cm and outer radius b = 4.2 cm. The insulating shell is...

Starting from rest, you pull the string with a constant force F = 6 N along a nearly frictionless surface. At the instant when the center of the disk has moved a distance x = 0.12 m, your hand has...

Consider a Tyrannosaurus which has a leg length of approximately 3m. Approximate the leg as a board. What would be such a boards period of oscillation if swinging freely about its end? I keep...

A certain lightbulb has a tungsten filament with a resistance of 21.0 when cold and 142 when hot. Assume the resistivity of tungsten varies linearly with temperature even over the large temperature...

THIS IS THE FULL QUESTION. The length of nylon rope from which a mountain climber is suspended has an effective force constant of 1.40 × 104 N/m. (a)What is the frequency at which he bounces,...

How did it come to mind that, it is in blackhole ? What about its properties?

An aluminum wire having a cross-sectional area of 4.00 ✕ 10-6 m2 carries a current of 6.00 A. Find the drift speed of the electrons in the wire. The density of aluminum is 2.70 g/cm3. Assume each...

This is the full question. If you shake the end of a stretched spring up and down with a frequency f, you can produce a sinusoidal, transverse wave propagating down the spring. Does the wave number...

state what is observed when a stone is dropped through a viscous fluid. Pay respect to the following 1. upthrust 2. weight that acts upwards 3. viscous force opposing the motion

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