A clock has a 20cm second hand. From the 3PM Mark to the 6PM Mark. For...
A clock has a 20cm second hand. From the 3PM Mark to the 6PM Mark. For the tip of the second hand, calculate the.... a) Displacement vector in unit vector notation. b) Average velocity vector in unit vector notation c) Average acceleration vector in unit vector notation d) Calculate the magnitude and direction of Average Acceleration
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A clock has a 20cm second hand. From the 3PM Mark to the 6PM
Mark. For...
The sweeping second hand on your wall clock is 16 cm long. Assume the second hand...
The sweeping second hand on your wall clock is 16 cm long. Assume the second hand moves smoothly. A) What is the rotational speed of the second hand? Express your answer in radians per second to two significant figures. B) Find the translational speed of the tip of the second hand. Express your answer with the appropriate units. C) Find the rotational acceleration of the second hand. Express your answer in radians per second squared.
The second hand of a wall clock has a length of 12.0 cm. a) How much...
The second hand of a wall clock has a length of 12.0 cm. a) How much distance does the tip of the second hand travel during a day (in meters)? b) The minute hand of the clock has a length of 10.5cm. How many revolutions is needed for the minute hand to travel one mile?
At one instant a bicyclist is 60 m due east of a park’s flagpole, going south...
At one instant a bicyclist is 60 m due east of a park’s flagpole, going south at 20 m/s. Then 30 s later, the cyclist is 40 m due north of the flagpole, going due east with a speed of 10 m/s. On an XY- coordinate system with the flagpole at the origin, for the cyclist in this 30 s time interval a) Draw the position and velocity vectors of the bicyclist as described. b) On your graph in part...
The second hand of a clock has a length of 0.30 m. What distance does the...
The second hand of a clock has a length of 0.30 m. What distance does the tip of the second hand sweep through in 6 minutes and 7 seconds?
#3 Find the magnitude of the angular momentum of the second hand on a clock about...
#3 Find the magnitude of the angular momentum of the second hand on a clock about an axis through the center of the clock face. The clock hand has a length of 15 cm and a mass of 6.0 g. Take the second had to bea slender rod rotating with constant angular velocity about one end.
QUESTION 1 Determine the angular velocity of the second hand, in degree/second, of a mechanical clock...
QUESTION 1 Determine the angular velocity of the second hand, in degree/second, of a mechanical clock QUESTION 2 What is the angular velocity in Sl units of the hour hand of a mechanical clock? 1.74 x 10-3 radis 727 x 10-5 radis 0.105 radis 1 45 x 10-radis QUESTION 3 At its peak a tornado is 549 m in diameter and carries 253 MPH winds. What is its angular velocity in Sl units? Express your answer with 3 or more...
A clock has a minute hand that is 12cm long. a. What is the angular speed...
A clock has a minute hand that is 12cm long. a. What is the angular speed of the minute hand? Give your answer in radians per second. Give an exact answer. (Hint: how long does the minute hand take to make a complete rotation?) b. What is the linear speed of the tip of the minute hand? Give an exact answer in cm per second.
What is the frequency of the second hand of a clock, assuming it is keeping correct...
What is the frequency of the second hand of a clock, assuming it is keeping correct time? Select one: a. 0.0167 Hz b. π/3 Hz c. 1 Hz d. 60 Hz
A plane is initially 350 km away from Louisville in the direction 30.0◦ north of west...
A plane is initially 350 km away from Louisville in the direction 30.0◦ north of west traveling due south at a speed of 160 km/hr. Three hours later, the plane is 190 km due south of Louisville traveling at a speed of 150 km/hr in the direction 40.0◦ north of east. (a) (10 points) Draw the vector diagram you would use to calculate the average velocity. (b) What is the average velocity (including magnitude and direction)? (c) Draw the vector...
A car travels at 67.5 km/h on a level road in the positive direction of an...
A car travels at 67.5 km/h on a level road in the positive direction of an x axis. Each tire has a diameter of 72.2 cm. Relative to a woman riding in the car and in unit-vector notation, what are the velocity at the (a) center, (b) top, and (c) bottom of the tire and the magnitude a of the acceleration at the (d) center, (e) top, and (f) bottom of each tire? Relative to a hitchhiker sitting next to the...
#3 Find the magnitude of the angular momentum of the second hand on a clock about an axis through the center of the clock face. The clock hand has a length of 15 cm and a mass of 6.0 g. Take the second had to bea slender rod rotating with constant angular velocity about one end.
QUESTION 1 Determine the angular velocity of the second hand, in degree/second, of a mechanical clock QUESTION 2 What is the angular velocity in Sl units of the hour hand of a mechanical clock? 1.74 x 10-3 radis 727 x 10-5 radis 0.105 radis 1 45 x 10-radis QUESTION 3 At its peak a tornado is 549 m in diameter and carries 253 MPH winds. What is its angular velocity in Sl units? Express your answer with 3 or more...
A clock has a minute hand that is 12cm long. a. What is the angular speed of the minute hand? Give your answer in radians per second. Give an exact answer. (Hint: how long does the minute hand take to make a complete rotation?) b. What is the linear speed of the tip of the minute hand? Give an exact answer in cm per second.
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