A 4 cm diameter ball is located 40 cm from a point source and 80 cm from a wall. What is the size of the shadow on the wall?

Other questions in category

• How far will a bus travel if it averages a speed of 65 km/h for 7 hours?...
• A car that brakes suddenly comes to a screeching halt. Is the sound energy produced in this conversi...
• An object is moving east, and its velocity changes from 66 mvs to 26 mvs in 10 seconds. Which descri...
• Newton's Third Law of Motion relates to action and reaction. Which of the following scenarios accura...
• What is the acceleration along the ground of a 10 kg wagon when it is pulled with a force of 44 N at...
• he coefficient of the restitution of an object is defined as the ratio of its outgoing to incoming s...
• Two carts are free to slide along the frictionless track shown in figure below. Cart A of mass m1 = ...
• Please help... Describe energy transformations in your own words....
• What is the value of v2 below in the series circuit.​
• A 1500-w heater is designed to be plugged into a 120-v outlet. part a what current will flow through...