Hajara

This page lists questions and answers that were posted by visitors named Hajara.

Questions

The following questions were asked by visitors named Hajara.

The sum of the first and second terms of an A.P us 4 and the 10th term is 19. Find the sum of the 5th and 6th terms.

(100°F-32)×5/9

It is desired that the outer edee of a grindine wheel 9.0 cm in radius move at a rate of 6.0 m/s. (a) Determine the angular speed of the wheel. (b) What length of thread could be wound on the rim of the wheel in 3.0s when it is turning at this rate

A force of 200 N acts tangentially on the rim of a wheel 25 cm in radius. (a) Find the torque. (b) Repeat if the force makes an angle of 40 to a spoke of the wheel.

Answers

The following answers were posted by visitors named Hajara.

How large a force is required to accelerate a 1300-kg car from rest to a speed of 20 m/s in a distance of 80 m?

A 40000-kg freight car is coasting at a speed of 5.0 m/s along a straight track when it strikes a 30000-kg stationary freight car and couples to it. What will be their combined speed after impact?

An empty 15000-kg coal car is coasting on a level track at 5.00 m/S. Suddenly 5000 kg of coal is dumped Into it from directly above it. The coal instally has zero honzontal velocity. Find the final speed of the Car

50.0 rey to radians

50.0 rev to radians.

487 rad to revolutions.

487π rad to revolutions

72.0 rps to rad/s

1.50 x 10cube rpm to rad/s

22.0 rad/s to rpm

2.000 rad/s to deg/s

Express 40.0 deg/s in (a) rev/s, (b) rev/min, and (c) rad/s.

A flywheel turns at 480 rpm. Compute the angular speed at any point on the wheel and the tangential speed 30.0 cm from the center.

A force of 200 N acts tangentially on the rim of a wheel 25 cm in radius. (a) Find the torque. (b) Repeat if the force makes an angle of 40 to a spoke of the wheel.

A certain 8.0-kg wheel has a radius of gyration of 25 cm. (a) What is its moment of inertia? (6) How large a torque is required to give it an angular acceleration of 3.0 rad/s?

Determine the constant torque that must be applied to a 50-kg flywheel, with radius of gyration 40 cm, to give it a frequency of 300 rpm in 10 s if it's initially at rest.

A 4.0-kg wheel of 20 cm radius of gyration is rotating at 360 rpm. The retarding frictional torque is 0.12 Nm. Compute the time it would take to coast to rest

How large a force is required to accelerate a 1300-kg car from rest to a speed of 20 m/s in a distance of 80 m?

The following coplanar forces pull on a ring: 200 N at 30.0°, 500 N at 80.0°, 300 N at 240°, and an unknown force. Find the magnitude and direction of the unknown force if the ring is to be in equilibrium.

two people sit in a car that weighs 8000 N. The person in front weighs 700 N, while the one in the back weighs 900 N. Call the distance between the front and back wheels. 'The car's center of gravity is a distance 0.4001. behind the front wheels. How much...

Two people sit in a car that weighs 8000 N. The person in front weighs 700 N, while the one in the back weighs 900 N. Call L the distance between the front and back wheels. The car's center of gravity is a distance 0.400L behind the front wheels. How much...

Two people. at the ends of a uniform beam that weighs 400 N. hold the beam at an angle of 25.0° to the horizontal. How arge a vertical force must each person furnish to the beam?