Understanding the effect of any confounding variables on the dependent variable is important to the outcome of an experiment. T/F

35 grams of salt is dissolved in 500 grams of total solution. What is the percent by mass of salt?

A golfer is on the edge of a 15 m bluff overlooking the 18th hole which is located 70 m from the base of the bluff. She launches a horizontal shot that lands in the hole on the fly. The gallery erupts in cheers.

Voltage will be induced in a wire loop when a magnetic field within that loopa. is at right angles to the electric field b. changes c. aligns with the electric field d. converts to magnetic energy

Galileo started modern science because he started using? Rather than speculation

A wire with a resistance of 20 is connected to a 12 battery. What is the current flowing through the wire?

An open-topped freight car with mass 24,000 kg is coasting without friction along a level track. It is raining very hard, and the rain is falling vertically downward. Originally, the car is empty and moving with a speed of 4.00 m/s.

Photons travel outward from a light bulb in

The critical angle for a beam of light passing from water into air is 48.8°. this means that all light rays with an angle of incidence in the water that is greater than 48.8° will be

A basketball is filled with air and has a small hole. Explain why the basketball would leak.

Aligned magnetic domains are only present in which of the following? A) permanent magnets B) temporary magnets C) all magnetic material D) depends on the situation