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andrey2020 [161]
1 year ago
9

Forces and pres

Physics
1 answer:
Sliva [168]1 year ago
5 0

Answer:

A.  It is zero.

Explanation:

D Later in the day, more power is developed in lifting each box. 12 A manometer is used to indicate the pressure in a steel vessel, as shown in the diagram. What value does the liquid manometer give for the pressure in the vessel? It is zero

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Five men push a stalled car with an average force of 400 N per person. Find the mass of the
timama [110]

The mass of the car is 2000 kg

Explanation:

We can solve this problem by using Newton's second law of motion, which states that the net force acting on an object is equal to the product between the mass of the object and its acceleration:

\sum F = ma

where

\sum F is the net force

m is the mass

a is the acceleration

In this problem, we have:

a=1 m/s^2 is the acceleration of the car

Each person applies a force of 400 N, and there are five men, so the total force applied is

\sum F = 5\cdot 400 N = 2000 N

Therefore, the mass of the car is:

m=\frac{\sum F}{a}=\frac{2000 N}{1 m/s^2}=2000 kg

Learn more about Newton's second law of motion:

brainly.com/question/3820012

#LearnwithBrainly

4 0
3 years ago
If gas costs $3.65 per gallon at a local service station, how many cubic feet of gas can a customer buy with $40 ?
svet-max [94.6K]
Hi, thank you for posting your question here at Brainly. 

For consistency you must convert gallons to cubic foot. The conversions are:

7.481 gal = 1 ft3

Then, $3.65 per gallon becomes $27.3 per ft3. If you buy $40 worth of gas, you get $40/$27.3 = 1.46 ft3 of gas. 

If you can travel for 4 miles per ft3, then with the amount of gas you have, you can travel up to 5.85 miles.

(4 miles/ft3)*(1.46 ft3) = 5.85 miles
3 0
3 years ago
A cat runs in a straight line. Which of the following statements about the cat's motion must be true?
alexira [117]

Answer:

I would think it's A cat runs in a straight line.

Explanation:

5 0
3 years ago
A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 4.1 m/s. The car is a distanc
Igoryamba
It's 61.5m

by solving simultaneously equations  
29+d = 6t   (bear)
d=4.1t          (tourist)


6 0
3 years ago
Read 2 more answers
Alex often draws his dream house​
maria [59]

Answer:

hopefully alex quackity hahhaa

Explanation:

i hope this was free points and not an actual thing

3 0
3 years ago
Read 2 more answers
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