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kipiarov [429]
3 years ago
12

Give a real life example in which two objects are moving at a constant speed but have different velocities.

Physics
2 answers:
Bad White [126]3 years ago
6 0

Answer:

The planets and moons that orbit in the solar system.

Explanation:

For example the earth moves at 67,000 mph (107,000 km/h), and is constant from the gravitational pull of the sun. The moon orbits at about  2,288 mph (3,683 km/h).  these are both traveling at different velocities but at a constant speed.

Andreyy893 years ago
4 0

Two cars are driving in opposite directions on the same street. One car is driving North at 30 mph, while the other one is on the other side of the street, driving South at 30 mph.

Both cars have the same speed. But their velocities are different, because DIRECTION is part of velocity.

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Two objects, each of weight W, hang vertically by spring scales as shown in the figure. The pulleys and the strings attached to
valentinak56 [21]

The reading on the scale is the tension on the string that connects the two objecst. In order to support the blocks it must pull the weights by a force magnitude of W. So, the tension of the rope is W. Therefore, the reading on the scale is W, D.


I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

6 0
3 years ago
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soldier1979 [14.2K]
The ducks speed is 10m per second
5 0
3 years ago
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A quantity of N2 occupies a volume of 1.4 L at 290 K and 1.0 atm. The gas expands to a volume of 3.3 L as the result of a change
lions [1.4K]

Answer:

\rho = 0.50 g/L

Explanation:

As we know that

PV = nRT

here we have

P = 1.0 atm

P = 1.013 \times 10^5 Pa

so we have

V = 1.4 \times 10^{-3} m^3

T = 290 K

now we have

(1.013 \times 10^5)(1.4 \times 10^{-3}) = n(8.31)(290)

n = 0.06

now the mass of gas is given as

m = n M

m = (0.06)(28)

m = 1.65 g

now density of gas when its volume is increased to 3.3 L

so we will have

\rho = \frac{m}{V}

\rho = \frac{1.65 g}{3.3 L}

\rho = 0.50 g/L

5 0
3 years ago
8
Dovator [93]

Answer:

25 atoms

Explanation:

7 0
3 years ago
What is the efficiency of a device that takes in 400 J of heat and does 120 J
777dan777 [17]

The efficiency of the device is 30 %

Explanation:

The efficiency of a heat engine is given by:

\eta = \frac{W}{Q_{in}}

where

W is the work done by the engine

Q_{in} is the heat in input to the engine

For the device in this problem, we have:

W = 120 J is the work done

Q_{in} = 400 J is the heat in input

Substituting, we find the efficiency:

\eta=\frac{120}{400}=0.30

which corresponds to an efficiency of 30%.

Learn more about work:

brainly.com/question/6763771

brainly.com/question/6443626

#LearnwithBrainly

7 0
3 years ago
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