Physics

please help Which color will a red rose appear to be if only a blue light reached it?redwhiteblackpurple
2 Answers
A 50 kg swimmer goes off end of water slide at 10 m/s- what is swimmers momentum ?
1 Answer
I was walking with Ruby in a garden from rest in a straight line with uniform acceleration so that we covered 0.25 m in the fifth second of our motion. Calculate our acceleration.
1 Answer
What is measurement?
1 Answer
If Force = 200 N and Mass = 20 kg, what is acceleration?
1 Answer
a flashlight operates with a current of 3.0 a and a power of 4.5 W. what is the voltage of the flashlights battery?
1 Answer
A student lifts a backpack straight up with a force of 53.5 N for a distance of 0.65 m. How much work is done on the backpack?Happy Christmas Eve!!
2 Answers
Please help me with this question,giving the first correct answer brainliest
2 Answers
An object, moving with a constant velocity, travels 400 m in 25 s. What is its velocity?
1 Answer
Choose all the answers that apply.Light _____.A. cannot travel through a vacuumB. slows down when traveling through denser substancesC. speeds up when traveling through more dense substancesD. travels in transverse wavesE. can be absorbed and transformed into heat
1 Answer
The gravitational force on Mars is about 38% of Earth. What would a cat weighing 15 pounds on Earth weigh on Mars?
2 Answers
Why do magnets move objects in different ways?
1 Answer
12. A lathe mounted on wooden skids is to be slid down a pair of planks placed against the back of a truck.(a) If the coefficient of friction is 0.28, what angle should the planks make with the ground in order for the lathe to slide down at constant velocity? (b) When the planks are at this angle, will the lathe start to slide down of its own accord?
1 Answer
A roller coaster starts from rest at its highest point and then descends on its (frictionless) track. Its speed is 38 m/s when it reaches ground level. What was its speed when its height was half that of its starting point
1 Answer
please help quickHow much work is done by the people in raising the load 3 meters if the combined pulling force of the men on the rope is 700 newtons? A.233 Nm B. 703 Nm C. 2,100 Nm D. 400 Nm
1 Answer
Tom pulls a muscle. He has to stop working to get an ice pack. Claudia continues to work and soon finishes her pile.Power is the rate of doing work. It's calculated by dividing work by time (power = work = time). Who had more power inthis scenario? Why?
2 Answers
A stone is thrown horizontally from the top of an inclined plane (angle of inclination ). How would I find the initial speed of the stone if it hit the plane a distance L down the slope from the point of launch?
1 Answer
A ball is kicked at an angel of 37 to a goalkeeper who is 24m away. What was the initial velocity of the ball?
1 Answer
Calculate the net force acting on a body of mass 20 kg moving with auniform velocity of 4 ms-1.
1 Answer
An elephant has a mass of 55,000 kg. What is the elephants weight on Saturn (g= 10.4)?
1 Answer
Please respect! Can you answer this for me?
1 Answer
As the amount of charge on either of two charged objects increases, the electric force between the objects decreases. O True O False
1 Answer
What is chemical reaction? Give an example of each of exothermic and endothermic reaction
1 Answer
Your friend has a rubber band stretched between two fingers. When you pluck the rubber band, it vibrates and makes sound. What would you have to do to make the sound a higher pitch?To make a higher pitch, stretch the rubber band more. To make a higher pitch, pluck the rubber band less hard.To make a higher pitch, stretch the rubber band less. To make a higher pitch, pluck the rubber band harder.
2 Answers