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The tires of a car make 86 revolutions as the car reduces its speed uniformly from 88.0 km/h to 60.0 km/h. The tires have a diameter of 0.90 m.
A.) What is the angular acceleration of the tires? (Answer is not -1.6)
B.) If the car continues to decelerate at this rate, how much more time is required for it to stop?
C.) How far does the car go? Find the total distance.
A flashlight on the bottom of a 3.70 m deep swimming pool sends a ray upward at an angle, What angle (in air) does the emerging ray make with the water's surface
Describe how a uniform electric field might be used to measure distance. Hint: In the parallel electrode arrangement, what parameter(s) varied with distance between the electrodes and what parameter(s) stayed constant?
Consider a gas of fermions at temperature T=0 in 3D space with dispersion law E(p) = v lpl^3 where v is a constant. calculate the Fermi energy and the ground energy
A reflecting, spherical Christmas tree ornament has a diameter of 20 cm. A child looks at the ornament from a distance of 40 cm. define the image she sees. Where is the image locate.
F ind the speed of the golf ball just after impact
A student sits on a rotating stool holding two 3.9-kg objects. When his arms are extended horizontally, Find the new angular speed of the student
A 1.0 kg stone is being whirles at constant speed of 12 m/s in a circle, held on a frictionless surface by a steel wire which is horizontal. The wire is 4.0 m long and its radius is 1.0 mm. Find out the strain in the wire.
The space shuttle typically orbits 400 km above the earth's surface. The earth has a mass of 5.98 × 1024 kg, Use your knowledge of gravitation to determine the orbital speed of the shuttle's cargo
Four charges are located in a plane as follows: q1 = -5 uC at (4,0) m; q2 = -3 uC at (4,4) m; q3 = -4 uC at (0,4) m; q4 = -2 uC at (0,0) m. Find the magnitude and direction of the resultant field at (2,2)
Diffraction plays an important role in which of the following phenomena.
A helicopter rises vertically with a constant upward acceleration of 0.38 m/s^2. How soon does the wrench hit the ground
While john is travelling along an interstate highway, he notices a 160 mile marker as he passes through town. Later John passes another mile marker, 119.
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