Physics, 03.08.2019 11:00 emmaschloegl21x
What best explains why a person can become sunburned by spending too much time at the beach? sunlight is an electromagnetic wave that gains energy as it travels through air to reach the person. sunlight is an electromagnetic wave carrying energy that is absorbed by the skin. sunlight is a mechanical wave that vibrates the skin particles to produce heat. sunlight is a mechanical wave, and its frequency matches the natural frequency of skin to make heat
Answers: 2
Physics, 22.06.2019 06:30
Suppose you have a box. which of these is not necessarily a true statement regarding the relationship between the force applied to the box, the work done on the box, and the distance the box is moved? a. if the box is not moved, no force is being applied to the box. b. if no force is applied to the box, no work is done on the box. c. if work is done on the box, then a force is applied to the box. d. if work is done on the box, then the box is moved a distance.
Answers: 2
Physics, 22.06.2019 09:00
A2000 kg car is rounding a curve of radius 200 m on a level road. the maximum frictional force the road can exert on the tires of the car is 4000 n. what is the highest speed at which the car can round the curve?
Answers: 1
What best explains why a person can become sunburned by spending too much time at the beach? sunlig...
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