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A motorcycle cop, parked at the side of a highway reading a magazine, is passed by a woman in a red Ferrari 308 GTS doing 90.0 km/h. After a few attempts to get his cycle started, the officer roars off 2.00 s later. At what average rate must he accelerate if 111 km/h is his top speed and he is to catch her just at the state line 2.30 km away?
Three astronauts, propelled by jet backpacks, push and guide a 114 kg asteroid toward a processing dock, exerting the forces, with F1 = 32 N, F2 = 52 N, F3 = 39 N, θ1 = 30°, and θ3 = 60°. What is the (a) magnitude and (b) angle (measured relative ..
Find the acceleration of an elerton in this field. What is its speed after 50ms.
find the maximum distance she can be from the craft and still return within 2.30 min (the amount of time the air in her helmet remains breathable).
find the non-zero Christoffel symbols and the equations, of the geodesic, for the two dimensional case of move-ment on the surface of a cylinder of radius and show that the transformation is an invariance transformation by finding the function A
suppose the radius of the ball is very small compared to other length scales in the problem. Take starting level as step 0, the next step down as step 1, and so on.
The car now stops, and the four people get out. By how much does the car body rise on its suspension owing to this reduce in weight.
A spring with spring constant k = 210N/m is at first compressed x = 1.90 cm. It is now allowed to relax back to its equilibrium length and then it is stretched an additional 2.30 cm. How much work is completed by the spring during this process.
Two unequal point charges q1 and q2 are held in place unconnected from each other. A point charge Q is placed somewhere between them at a point where it remains stationary when free. From this observation, we can conclude that q1 and q2 must eithe..
If a vehicle is traveling at velocity v and takes a distance d to stop, then how fast is a vehicle traveling if it takes a distance of 3d to stop. suppose mass and acceleration are equal.
A 10-cm-diameter cylinder of helium gas is 20 cm long and at 20°C. The pressure gauge reads 120 psi. how many helium atoms are in the cylinder? what is the mass of the helium?
An air traffic controller has two aircraft on radar. The first is at an altitude of 0.5 km, a horizontal distance of 3 km measured along the ground to the point directly underneath the plane, and a bearing of 115° west of north.
A manager of a restaurant pushes horizontally with a force of magnitude 150 N on a box of melons. The box moves across the floor with a constant acceleration in the same direction as the applied force.
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