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antoniya [11.8K]
2 years ago
7

30°

Mathematics
1 answer:
Solnce55 [7]2 years ago
8 0

Answer:

12/3 Can you give me brainliest :>

Step-by-step explanation:

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A car is on a driveway that is inclined 10 degrees to the horizontal. A force of 490 lb is required to keep the car from rolling
lara31 [8.8K]

Answer:

a) weight  of the car = 2816,1 lbs

b) 2773 lbs

Step-by-step explanation:

The equilibrium force is 490 lbs. That force keep the car at rest, then

∑ Fy  =  0     and  ∑Fx  =  0

Forces acting on the car:

The external force   490 lbs

weight of the car   uknown

Normal force

sin∠10°  =  0,174

cos∠10° = 0.985

∑Fx  =  0         mg*sin10°- 490 = 0      ∑Fy =  0      mg*cos10° - N  =  0

mg*0,174= 490

mg  =  490 / 0,174

mg = 2816,1 lbs

weight  of the car = 2816,1 lbs

The Normal force

mg*cos10° - N  =  0        2816,1 * 0,985 = N

N = 2773 lbs

Then equal force in magnitude and in opposite direction will car exets on the driveway

3 0
3 years ago
A=1/2 bh (base/height)<br> =.5(12)4<br> a=24ft<br> how did i get the answer a=24?
vampirchik [111]
That’s what i got
step by step explanation
4 0
2 years ago
Find the surface area of a smooth golf ball with the minimum diameter allowed by the United States golf association
meriva
Surface area o fthe ball = 4 * 3.14 * radius^2

if diameter = 1.680 then radius = 1/2 * 1.680 = 0.84

so surface area = 4 * 3.14 * 0.84^2 =  8.862 
3 0
3 years ago
On Sunday, a local hamburger shop sold a combined total of 414 hamburgers and cheeseburgers. The number of cheeseburgers sold wa
dsp73
414 divided by 2= 207
divided by 2 because two times the number
207 hamburgers sold
7 0
3 years ago
How to show work for 36÷6
UkoKoshka [18]
36÷6 is 6 to show your work for it maybe draw it out and better show the equation like when you solve a bigger problem. 
6 0
3 years ago
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