Which factors affect the gravitational force between two objects?

distance and velocity

mass and distance

mass and weight

acceleration and weight

802

Which of the following is an example of genetic engineering? Editing the DNA of bacteria so that they produce insulin Tracking the relationship of whales and dolphins using DNA samples Writing computer code that shows artificial intelligence

Physicists talk about many forms of energy. One of the most common forms is force itself. 1. False 2. True 3. None of these 4. This may happen in many cases, but not in every case. 5. This may happen in a few cases, but it is very rare.

1. A car's speedometer reads 40 m/s after accelerating from a standing start, for 25s. What was the magnitude of its acceleration

A person, with a mass of 50.0 kg, stands on a weighing scale in a lift which is moving upwards with a uniform acceleration of 5.0 m/s 2 . What would be the reading on the scale? (A) 490 N (B) 250 N (C) 740 N (D) 240 N

If the acceleration of a moving object is zero, which of the following best describes its motion

The luminous star Alnilam in the Orion belt is 1,340 light-years away from Earth. Use the conversion factor 1 parsec = 3.262 light-years to find the closest conversion of this distance from light-years to parsecs (pc).

How do astronomers know what conditions exist inside the Sun?

An object is moving but we don't know its mass or velocity. A force of 20 newtons to the right is exerted on the object for 20 seconds. What is the (vector) change in linear momentum for the body as a result of this impulse?

Which friction-reducing technologies are used in the Variable Compression Turbo Engine?

A quadraphonic car stereo operates on electric current provided by the car's 12V battery and is connected in series. Each channel of the stereo, which feeds the electrical signal to one of the stereo's four speakers, has a resistance of 4.1 oums.