Physics Answers

what is the image distance and image size if a 10.00 cm.tall light bulb placed a distance of 91 cm. from a convex lens having a focal length of 30.8 cm?

Derive the value of flux density at the specified point along the axis due to circular coil carrying current.

what is the image distance and image size if a 3.00 cm tall light bulb is paced at a distance of 30.5 cm from diverging lens having a focal length of -10.2 cm?

A car accelerates from rest to reach a certain speed in 10 minutes. If then continues at this speed for another 10 minutes and then decelerates to rest in further 5 minutes. If the total distance covered is 17.5km. Find the speed reached.

What is the magnitude of the electric field at a field point 2m from a point charge of 4nC

The position of a particle moving along x axis is given by x=6.0t²-1.0t² where x is in meter and t is in seconds. What is the position of the particle when it achieves its maximum speed is the positive x direction?

The mass m1 of one of the small spheres of a cavendish balance is 0.01kg,the mass m2 of the nearest large sphere is 0.50kg and the centre to centre distance between them is 0.05m.find the gravitational force on each sphere due to other.

If two electrons are each 1.50 × 10-10 m from a proton, find the magnitude and direction of the net electric force they will exert on the proton

Water flows through a garden house with inner diameter 1.5 cm at a speed of 2.9 m/s. Calculate the speed of water escape from the nozzle if the opening is reduce to a diameter of 0.50 cm

A valve box casting of mass 30 kg is secured to the faceplate of a lathe in such a position that its

center of gravity is 100 mm radially from the center of rotation and 115mm axially from the surface

of the surface of the faceplate. Calculate the radius @ which to fix a counterbalance of 13 kg.