Help with multiple choice math problems?

1. Change 1400° to radian measure in terms of?a.70? /9b.

35? /9c.140? /9d.

None of these2. Change 39? /37 radians to degree measure.a.5220°b.

141.1°c.167.6°d.66.6°3. Determine the angular velocity if 0.75 revolutions are completed in 0.5 seconds.a.4.7 radians/secb.47.1 radians/secc.9.4 radians/secd.94 radians/sec4. Determine the linear velocity of a point rotating at 25 revolutions per minute at a distance of 2 feet from the center of the rotating object.a.2.6 ft/secb.314.2 ft/secc.5.2 ft/secd.

78.5 ft/sec Asked by soloflyer 32 months ago Similar questions: help multiple choice math problems Science > Math.

Similar questions: help multiple choice math problems.

I won't do your homework. But I can help you do that yourself. I will be happy to help you out do that.1.

Change 1400° to radian measure in terms of? Every 180 degrees is Pi in radians. So 1 degree is Pi/180 radians, so to switch from degrees to radians you multiply by Pi and divide by 180.

Example: 120 degrees is 120*Pi/180 radians. Which is 2*Pi/3.2. Change 39? /37 radians to degree measure.

To switch from radians to degrees you multiply by 180 and divide by Pi. Example: 2 Pi/5 radians is (2Pi/5)*180/Pi = 72 degrees.3. Determine the angular velocity if 0.75 revolutions are completed in 0.5 seconds.

You need to figure out how many radians is traveled in each second. A complete circle would be considered 2Pi radians. Example: If 0.6 revolutions are completed in 2 seconds then in each second 0.3 revolutions is completed.

Therefore the angular velocity is 2Pi*0. 3.4. Determine the linear velocity of a point rotating at 25 revolutions per minute at a distance of 2 feet from the center of the rotating object. For this you need to determine the distance that this point travels in each second.

You need to find the circumference of the circle of radius 2 ft. Then see how long this point travels in 1 minute.(nt: multiply by 25) Then find out the distance that it travels in each second by dividing the result that you got in the previous step by 60. Good luck!.

1 Nothing says "homework" like multiple choice. I don't want to do your homework for you. I will gladly help you out, but you've got to meet me part way here.

Your teacher presumably gave you the formula for converting degrees to radians (multiply by pi/180). Where are you getting hung up? .

Nothing says "homework" like multiple choice. I don't want to do your homework for you. I will gladly help you out, but you've got to meet me part way here.

Your teacher presumably gave you the formula for converting degrees to radians (multiply by pi/180). Where are you getting hung up?

2 You should change your Askville name. As a "soloflyer", I should think that you would want to be able to solve this on your own! This user has been banned from Askville.

2 You should change your Askville name. As a "soloflyer", I should think that you would want to be able to solve this on your own! .

You should change your Askville name. As a "soloflyer", I should think that you would want to be able to solve this on your own!

3 Sorry - this isn't Homework Central. We don't do people's homework for them. How are you ever going to expect to learn anything if you don't do the homework yourself?

Now - GET BUSY! .

Sorry - this isn't Homework Central. We don't do people's homework for them. How are you ever going to expect to learn anything if you don't do the homework yourself?

Now - GET BUSY!

4 Look up on the web 'radians to degrees' or 'degrees to radians'. Also look up 'revolutions to radians' and 'tangential velocity'.

Look up on the web 'radians to degrees' or 'degrees to radians'. Also look up 'revolutions to radians' and 'tangential velocity'.

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