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padilas [110]
3 years ago
10

A 900-kg compact car moving at 60 mi/hr has approximately 320 000 Joules of kinetic energy. Estimate its new kinetic energy if i

t is moving at 30 mi/hr
Mathematics
1 answer:
Doss [256]3 years ago
7 0
You need to divide 320000 by 2 since the speed was divided by 2. The final answer is ...... 160000 Joules.

I hope this helped!!!! :D
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Work out the surface area of a cuboid 2cm by 3cm by 4cm
patriot [66]

2x3=6

2x3=6

2x4=8

2x4=8

3x4=12

3x4=12

12+12+8+8+6+6=52cm3

8 0
3 years ago
A backpack costs $18 and has a 7 percent tax. How much will Sheila have to pay for the backpack after tax? $1.26 $12.60 $19.26 $
elixir [45]
If you add 18 to 7% your number comes out as 19.26
7 0
3 years ago
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A cylinder has a height of 4 meters and a radius of 1.5 meters. What is the approximate radius of a sphere that has the same sur
Mama L [17]

If the surface area of the cylinder is 12π square meters. Then the radius of the sphere will be 1.7 meters.

<h3>What is a cylinder?</h3>

A cylinder is a closed solid that has two parallel circular bases connected by a curved surface.

A cylinder has a height of 4 meters and a radius of 1.5 meters.

Then the approximate radius of a sphere that has the same surface area as the cylinder.

We know that the Surface area of the cylinder will be is given as

Surface area = 2πrh

Surface area = 2 x π x 1.5 x 4

Surface area = 12π square meters

Then we have

Surface area of sphere = surface area of cylinder

                              4πr² = 12π

                                  r² = 3

                                   r = 1.7 meters

More about the cylinder link is given below.

brainly.com/question/3692256

#SPJ1

4 0
2 years ago
I need some help please
sveticcg [70]

Answer:

Acute Triangle

Step-by-step explanation:

All angles are less than 90 degrees.

6 0
3 years ago
a jacket cost 4 times as much as a shirt. if the total cost of the jacket and shirt is $280, how much does the shirt cost ------
Vedmedyk [2.9K]

The answer I got was A.)$56.

Hope this helps!<3

Comment if you need help on how I got that answer!

3 0
3 years ago
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