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Find magnifications of image

A 60 cm tall red rose is placed 40 cm from a large convex lens of focal length 20 cm. Locate the position of the image by means of a ray diagram Locate the position of the image by means of...

Physics Questions

1. Cart A has a mass of 265 grams. Cart B has a mass of 445 grams. The carts are on a frictionless track. Cart B is initially at rest. Cart A is initially moving towards Cart B at a...

Physics Questions

1. Make two free body diagrams for a falling coffee filter: one at the instant when it is released and the other after it has reached terminal velocity. Your diagrams should include numerical values...

Air Resistance

1. Give three factors that affect the amount of air resistance an object experiences, and describe how each factor influences air resistance (will the air resistance go up, or go down if that variable...

phy (force)

A helicopter of mass 2500 kg carries a bucket of water to fight a wildfire.The total mass of the bucket is 2000 kg.the helicopter accelerates horizontally and the suspension cord makes an angle of...

Physics speed

A calcium ion Ca++ enters with zero velocity a region of uniform electric field of 200N/C pointing east.  What is its speed after 50ms? (Symbol of calcium atom is 20Ca40)

Physics help

13. A water droplet of radius 0.018mm remains stationary in air. If the downward electric field in 150N/C, how many excess electrons must the droplet have?

Physics help

An electric dipole consists of a pint charge -q at the point (0,a) and a point charge q at the pint(0,-a). Find the electric field at the point (x,0).

From Graphical Analysis

Please help me with this. It looks long, but it really is not. A physics student wants to determine the relationship between the radius of a charged conducting sphere and the magnitude of...

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