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A 0.045-kg golf ball hangs by a string from the rearview mirror of a car, The car accelerates in the forward direction with a magnitude of 1.7 m/s2
What angle does the string make with the vertical?
What is the tension in the string?
A hunter on a frozen, essentially frictionless pond uses a rifle that shoots 4.20g bullets at 975m/s. Find the recoil speed of the hunter if he fires the rifle horizontally
A 5.0 kilogram block is initially at rest on the surface of a smooth frozen lake. Mary applies a 7.0 N horizontal force directed North, Find the total horizontal force on the box
A light ray initially in water enters a transparent substance at an angle of incidence of 39 degree, Evaluate the speed of light in the transparent substance
"A horizontal platform in the shape of a circular disk rotates on a frictionless bearing about a vertical axle during the center of the disk. The platform has a radius of 1.10 m and a rotational inertia of 486 kg * m^2about the axis of rotation.
A woman is riding a jet ski at a speed of 26 m/s and notices seawall straight ahead. The farthest she can lean the craft in order to make a turn is 22o. find the minimum distance from the seawall that she can begin making her turn and still avoid a..
the pressure att he depth of 1.25 m in a tank of liquid is measured to be 125.5 kpa. the tank is open to the outside
what rate must air be moving through the open window in order to keep the system in equilibrium.
A spherical capacitor contains a charge of 3.70 nC when connected to a potential difference of 220 V. Calculate radius of inner sphere
A block of mass m is pushed up against a spring, compressing it a distance x, and the block is then released. What distance was the spring compressed in the second case
What is the highest kinetic energy this accelerator can give to an electron? What is the highest kinetic energy this accelerator can give a proton? What is the relativistic velocity of both particles?
The electric field within the membrane separating the inside and outside of a biological cell is approximately 7.8MV/m, what is the potential difference across the membrane
Work of at least 2000J is required to push a crate up a frictionless incline. If the crate is pushed 20m on the incline and the crate is 20 kg then what is the slope of the incline? The kinetic energy of a spring is 100J when compressed by 10cm. What..
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