Physics, 16.01.2021 04:20, belindajolete
At what speed should a car enter a curve in order not to slip if the radius is 30 m and the coefficient of friction is 0.3?
A mass of 2 kg sits on the edge of a rotating table at a distance of 3 m. The coefficient of friction is 0.15. What is the maximum speed the table can spin and the mass not slip off?
A road has a round hill 12.0 m in radius. What is the maximum speed at which a car can have and just stay on the road?
A mass of 0.12 kg is swinging in a circle with a radius of 2m. The mass travels around once every 1.5 s.
What is the tangential speed of the mass?
What is the centripetal acceleration?
A 40 kg child takes a ride on a Ferris wheel with a diameter of 18 m, and a rotational rate of 2 revolutions per minute.
What is the period of the motion of the Ferris wheel?
What is the tangential speed of the wheel?
What is the normal force on the child at the top of the wheel?
What is the normal force on the child at the bottom of the wheel?
Answers: 1
Physics, 21.06.2019 21:50, jferdi2005
When applying kirchhoff's rules, one of the essential steps is to mark each resistor with plus and minus signs to label how the electric potential changes from one end of the resistor to the other. the circuit in the drawing contains four resistors, each marked with the associated plus and minus signs. however, one resistor is marked incorrectly. which one is it?
Answers: 1
Physics, 22.06.2019 13:40, andrespiperderc
Use the profile illustrated for problem (1). assume that the layer of silty sand fill (sm) is placed over the entire site. estimate the thickness of the fill (h - in feet) that will cause the effective vertical stress at the center of the clay layer to increase by 517.5 pounds per square foot.
Answers: 1
At what speed should a car enter a curve in order not to slip if the radius is 30 m and the coeffici...
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