HELP!! Worth a lot of points :)
(Physics question)

Answers

Answer 1

Answer: It's B if that helps at all :) (I'm like, 98% sure that it's totally B!

Answer 2

Answer: my answer would be B.
Source:
i had this question before.
Hope that this helps you! =)

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The Lamborghini Diablo sports car can accelerate from 0.0 km/hr to 99.2 km/hr in 4.0 seconds. What is the acceleration of this car? Give your answer in units of kilometers per hour/sec.

Answers

The Lamborghini Diablo sports car can accelerate from 0.0 km/hr to 99.2 km/hr in 4.0 seconds. What is the acceleration of this car? Give your answer in units of kilometers per hour/sec. To find the acceleration of the car we have to
1. First determine the suitable formula for this word problem. Which is a. A=vf-vi/t

Given are: Vf=99.2 km/h Vi= 0.0 km/h T= 4.0sec

Solution:
A= 99.2 km/h – 0.0km/h / 4.0 sec
A = 99.2 km/h / 4 sec
A = 2.8 km/h/sec

Answer:

24.8 km per second

Explanation:

Yall i need this asap

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ASAP Ferg?
Edge 2020

A bowl contained 19.1 grams of salt. Then, Kaitlin poured in another 77.49 grams. How much salt does the bowl contain now?

Answers

the bowl contains 96.59 grams now :)

A household fan draws 0.520 amps of current when the voltage is 120 V. How large is the resistance on the fan

Answers

Answer:

= 230.8 ohms

Explanation:

From ohms law, V = IR

R=V/I

R = 120 ÷ 0.520

R = 230.8 ohms

Change the following data into scientific notation.

5 000 000 km

Answers

To find out scientific notation, you want to make sure that number is less than 10. So do 5.000000, you don't rally need the zeros but I just want to make my point. So use 10^x meaning ten the whatever power adds zeros like 5.000000x10^6 meaning it is increasing it by six zeros moving it out of the decimals and letting become 5,000,000.

Answer:

the answer is B) 5x10^6

Explanation:

brainliest please

A stone with a mass of 0.70 kg is attached to one end of a string 0.80 m long. The string will break if its tension exceeds 65.0 N. The stone is whirled in a horizontal circle on a frictionless tabletop; the other end of the string remains fixed. Find the maximum speed the stone can attain without breaking the string.

Answers

Answer:

The maximum speed the stone can attain without breaking the string is 8.62 m/s .

Explanation:

Given :

Mass of stone , m = 0.7 kg .

Length of string , l = 0.8 m .

It is also given that the stone will break if its tension exceeds 65.0 N.

Now , we know tension in the rope due to rotation is equal to the centripetal acceleration .

Therefore , the maximum speed the stone can attain without breaking the string is less than or equal to 65 N .

So , $(mv^2)/(r)=65$

Putting all value in above equation we get :

$(0.7* v^2)/(0.8)=65\n\nv= 8.62\ m/s$

Therefore , maximum speed the stone can attain without breaking the string is 8.62 m/s .

HELP!! Worth a lot of points :) (Physics question)

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HELP!! Worth a lot of points :)
(Physics question)