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2. A 3-inch diameter yo-yo spins at an estimated 4000 revolutions per minute. What is the...
A yo-yo is 4.25 inches in diameter. There is a sticker on the outer edge. How...
A yo-yo is 4.25 inches in diameter. There is a sticker on the outer edge. How many revolutions per minute would the yo-yo described above have to complete if the sticker on the yo-yo is to be spinning at a rate of 42 miles per hour? Round your answer to two decimal places.
#49 #74 REAL-WORLD APPLICATIONS 58. A truck with 32-inch diameter wheels is traveling at 59. A...
#49 #74
REAL-WORLD APPLICATIONS 58. A truck with 32-inch diameter wheels is traveling at 59. A bicycle with 24-inch diameter wheels is traveling at 60 mi/h. Find the angular speed of the wheels in 15 mi/h. Find the angular speed of the wheels in rad/ rad/min. How many revolutions per minute do the min. How many revolutions per minute do the wheels wheels make? make? 60. A wheel of radius 8 inches is rotating 15°/s. What is 61. A wheel...
a circular saw with a diameter of 12 inches spins at 25 revolutions per second. a)...
a circular saw with a diameter of 12 inches spins at 25 revolutions per second. a) what is its linear velocity in feet per minute? b) what is its angular velocity in radians per second?
A DVD has a maximum speed of 7200 revolutions per minute(rpm). If a DVD diameter is...
A DVD has a maximum speed of 7200 revolutions per minute(rpm). If a DVD diameter is 12cm, what is the linear speed in km/h of a point form the disc's center if it is spinning at 5400 rpm?
11. A ceiling fan with 16 inch blades rotates at 45 revolutions per minute. a. (5...
11. A ceiling fan with 16 inch blades rotates at 45 revolutions per minute. a. (5 points) Find the angular speed of the fan in radians per minute. b. (5 points) Find the linear speed of the tips of the blade with correct units.
What is the magnitude of the acceleration of a speck of clay on the edge of a potter's wheel turning at 41 rpm (revolutions per minute) if the wheel's diameter is 38 cm ?
What is the magnitude of the acceleration of a speck of clay on the edge of a potter's wheel turning at 41 rpm (revolutions per minute) if the wheel's diameter is 38 cm ?
Show all work K 6. A helicopter blade spins at exactly 100 revolutions per minute. Its...
Show all work
K 6. A helicopter blade spins at exactly 100 revolutions per minute. Its tip is 5.00 m from the center of rotation. (a) Calculate the average speed of the blade tip in the helicopter's frame of reference. (b) What is its average velocity over one revolution? 7. The North American and European continents are moving apart at a rate of about 3 cm/y. At this rate how long will it take them to drift 500 km farther...
Gasoline (SG-0.7) at 70 gallons per minute flows in 200 feet of 3 inch diameter galvanized...
Gasoline (SG-0.7) at 70 gallons per minute flows in 200 feet of 3 inch diameter galvanized iron pipe from point A to point B. The pressure at point A is 10 psig. There are no pumps nor turbines in the line. The elevation of point A is 10 it. above a datum line. The pressure at B is atmospheric. What is the elevation of point B? Neglect any minor losses. Assume a friction factor of 0.02.
On a carousel, the outer row of animals is 19 feet from the center. The inner row of animals is 12 feet from the center. The carousel is rotating at 2 revolutions per minute. What is the difference,...
On a carousel, the outer row of animals is 19 feet from the center. The inner row of animals is 12 feet from the center. The carousel is rotating at 2 revolutions per minute. What is the difference, in feet per minute, in the linear speeds of the animals in the outer and inner rows? Round to the nearest foot per minute. The difference is about feet per minute.
On a carousel, the outer row of animals is 19 feet...
At what velocity (in revolutions per minute) will the peak voltage of a generator be 485...
At what velocity (in revolutions per minute) will the peak voltage of a generator be 485 V, if its 500 turn, 8.00 cm diameter coil rotates in a 0.250 T field?
A yo-yo is 4.25 inches in diameter. There is a sticker on the outer edge. How many revolutions per minute would the yo-yo described above have to complete if the sticker on the yo-yo is to be spinning at a rate of 42 miles per hour? Round your answer to two decimal places.
#49 #74
REAL-WORLD APPLICATIONS 58. A truck with 32-inch diameter wheels is traveling at 59. A bicycle with 24-inch diameter wheels is traveling at 60 mi/h. Find the angular speed of the wheels in 15 mi/h. Find the angular speed of the wheels in rad/ rad/min. How many revolutions per minute do the min. How many revolutions per minute do the wheels wheels make? make? 60. A wheel of radius 8 inches is rotating 15°/s. What is 61. A wheel...
11. A ceiling fan with 16 inch blades rotates at 45 revolutions per minute. a. (5 points) Find the angular speed of the fan in radians per minute. b. (5 points) Find the linear speed of the tips of the blade with correct units.
Show all work
K 6. A helicopter blade spins at exactly 100 revolutions per minute. Its tip is 5.00 m from the center of rotation. (a) Calculate the average speed of the blade tip in the helicopter's frame of reference. (b) What is its average velocity over one revolution? 7. The North American and European continents are moving apart at a rate of about 3 cm/y. At this rate how long will it take them to drift 500 km farther...
Gasoline (SG-0.7) at 70 gallons per minute flows in 200 feet of 3 inch diameter galvanized iron pipe from point A to point B. The pressure at point A is 10 psig. There are no pumps nor turbines in the line. The elevation of point A is 10 it. above a datum line. The pressure at B is atmospheric. What is the elevation of point B? Neglect any minor losses. Assume a friction factor of 0.02.
On a carousel, the outer row of animals is 19 feet from the center. The inner row of animals is 12 feet from the center. The carousel is rotating at 2 revolutions per minute. What is the difference, in feet per minute, in the linear speeds of the animals in the outer and inner rows? Round to the nearest foot per minute. The difference is about feet per minute.
On a carousel, the outer row of animals is 19 feet...
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