Would u do more lifting putting a box on the table or putting it on a shelf

How does the focal length (f) of a convex lens compare with the focal length of a concave lens? A. Both are negative. B. The focal length of the convex lens is positive, and that of the concave lens is negative. C.

Electric circuits and electric current

What are the two main sources of energy for the Earth? One of them is the SunWhat are the two main sources of energy for the Earth? One of them is the Sun Follow 3 answers 3 Report Abuse Are you sure you want to delete this answer? Yes No

A coffee-maker (14 Ω) and a toaster (19 Ω) are connected in parallel to the same 120-V outlet in a kitchen. How much total power is supplied to the two appliances when both are turned on?

A "step-down" transformer is used to reduce the voltage from 11060 V to 240 V before it is connected to houses in a neighborhood. If the transformer has 50 turns on the secondary, how many turns does it have on the primary

Convert 255 cm to meters, millimeters, and kilometers

7.) A car starts from rest and accelerates uniformly at 1.7 m/s/s. How long will it take the car to reach a speed of 34 m/s? A 200 s B 58 s C 20 s D2 s

A wheelbarrow is an example of what type of lever

Why is it necessary to evaluate an experiment

A positive charge Q1 = 34 nC is located at the origin. A negative charge Q2 = - 5.5 nC is located on the positive x-axis p = 15 cm from the origin. Calculate the location of x axis in cm where electric field is.