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Bogdan [553]
4 years ago
7

Study the velocity vs. time graph shown.

Physics
1 answer:
Sindrei [870]4 years ago
5 0

Answer:24m

Explanation:

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A man walks 30 meters north,then 90 meters east, and then 30 meters south​
zlopas [31]

Explanation:

D = 30+90+30

= 150m

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what's the question

6 0
3 years ago
What are the different isotopes of carbon and which isotopes are relevant for carbon dating?
GuDViN [60]
Ans: Radiocarbon dating uses carbon isotopes.

Radiocarbon dating relies on the carbon isotopes carbon-14 and carbon-12. Scientists are looking for the ratio of those two isotopes in a sample. Most carbon on Earth exists as the very stable isotope carbon-12, with a very small amount as carbon-13.
3 0
3 years ago
show mathematically why an 80,000 pound ( 36,000 kg ) big rig taveling 2 mph (0.89 m/s) has the SAME MOMENTUM as a 4,000 pound (
bekas [8.4K]

The momentum value for both Big rig and sport utility vehicle are the same as 16000 pound mph

<u>Explanation:</u>

Given data are as follows  

For Big rig, Mass = 80,000 pound (36,000 kg)  

velocity = 2  mph (0.89 m/s)

where mph is meter per hour

For sport utility vehicle, Mass = 40,000 pound (1800 kg)

velocity = 40 mph (18 m/s)

The formula to find the Momentum of an object is

Momentum = Mass × Velocity (Kilogram meter per second)

Momentum for Big rig = 80,000 × 2 (pound mph)

 = 1,60,000 pound mph

Momentum for sport utility vehicle = 4000 × 40 (pound mph)

 = 1,60,000 pound mph  

Hence it is mathematically proved that  

The momentum of big rig = The momentum of sport utility vehicle

1,60,000 pound mph = 1,60,000 pound mph

3 0
4 years ago
What is the name of the device that measures wind speed?
myrzilka [38]
The device is an anemometer<span> 
It's like 4 cups that measure the speed instead of direction

</span>
8 0
4 years ago
Read 2 more answers
the base of a rectangular vessel measure 10m by 18cm. water is poured into a depth of 4cm. (a) what is the pressure on the base?
Alex787 [66]

Answer:

a) P =392.4[Pa]; b) F = 706.32[N]

Explanation:

With the input data of the problem we can calculate the area of the tank base

L = length = 10[m]

W = width = 18[cm] = 0.18[m]

A = W * L = 0.18*10

A = 1.8[m^2]

a)

Pressure can be calculated by knowing the density of the water and the height of the water column within the tank which is equal to h:

P = density * g *h

where:

density = 1000[kg/m^3]

g = gravity = 9.81[m/s^2]

h = heigth = 4[cm] = 0.04[m]

P = 1000*9.81*0.04

P = 392.4[Pa]

The force can be easily calculated knowing the relationship between pressure and force:

P = F/A

F = P*A

F = 392.4*1.8

F = 706.32[N]

4 0
3 years ago
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