Answered: What is the rotational kinetic energy… | bartleby

Related questions

Question

What is the rotational kinetic energy
in KILOJOULES of a spinner if it
rotates at a constant speed of
7575rpm ?
3 m
5 kg
6 kg
5
1 m
2 m
kg
4

Expert Solution

Step by step

Solved in 3 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Blurred answer

Similar questions

Titan completes one orbit about Saturn in 15.9 days and the average Saturn-Titan distance is 1.22 x 10° m. Calculate the angular speed o of Titan as it orbits Saturn. rad/s =
The paths of two small satellites, X and Y, of equal mass of 4.00 kg each, are shown below. They orbit around a massive star, as illustrated, with M = 6.20x1029 kg The orbits are in the plane of the paper and are drawn to scale. %3D a C In the statements below KE is kinetic energy, PE is potential energy, and L is magnitude of the angular momentum. At a, the PE of X is .... that of Y. v The speed of Y at c is .... that at a The L of X at p is .... that at u. At a, the KE of X is .... that of Y. The PE of Y at c is .... the PE of X at w Submit Answer Tries 0/12 Send Feedb
Imagine a spinning solid melon. It has a mass of 1.0 kg and a 18-cm diameter. It turns a rate of 77rev/min. Find its kinetic Energy If an additional 5.0mJ of energy are added to the rotational energy, what is the new angular velocity of the melon?
A dog sits at the center of a disk that is rotating at a constant rate. The dog slowly moves to the edge of the disk. Which of the following values doesn't change? Angular velocity Rotational inertia Rotational Kinetic Energy Angular momentum
lo completes one orbit about Jupiter in 1.77 days and the average Jupiter-Io distance is 4.22 x 10° m. Calculate the angular speed w of Io as it orbits Jupiter. W =
Question 13 An ice skater starts to spin with an angular velocity of 2 rotations per second, when she moves her arms close together her angular inertia goes down by a factor of 5, how fast would she rotate then? O 2/5 rotations per second O 5 rotations per second O 5/2 rotations per second O 10 rotations per second Question 14 What is the tangential velocity of a ladybug that is 20 cm from the center of a turntable rotating at 5 radians per second? Hint: Watch the units O 4 m/s O 1 m/s O 100 m/s O 0.04 m/s Question 15 What is the magnitude of the centripetal force keeping the ladybug of the above problem in circular motion? Use 2x10-5 kg for her mass. Hint: Watch the units O 1x104 N O 1x107 N 2x10 3 N O 1x105 N
Consider a phonograph with a diameter of 0.6 m and a rotational speed of 33 RPM. Answer the following questions. What is its radius in m?What is its rotational speed in rad/s?What is the tangential speed on the phonograph's outer edge in m/s?What is the tangential speed at the center of the phonograph in m/s?What is the tangential speed halfway out to the edge of the phonograph?
A.) Calculate the rotational kinetic energy (in J) of Venus on its axis. (Assume its mass to be 4.90 ✕ 1024 kg, the period about its axis to be 5830 h, and its diameter to be 12100 km.) B.) What is the rotational kinetic energy (in J) of Venus in its orbit around the Sun? (Assume its distance from the sun to be 1.08 ✕ 108 km and its period about the sun to be 225 days.)
The diameters of the main rotor and tail rotor of a single-engine helicopter are 7.53 m and 1.04 m, respectively. The respective rotational speeds are 456 rev/min and 4,140 rev/min. Calculate the speeds of the tips of both rotors MAIN ROTOR M/S? TAIL ROTOR M/S Compare these speeds with the speed of sound, 343 m/sv main rotor = ? V SOUND tail rotor = V SOUND
(a) Calculate the rotational kinetic energy (in J) of Jupiter on its axis. (Assume its mass to be 1.90 ✕ 1027 kg, the period about its axis to be 9.84 h, and its diameter to be 1.43 ✕ 105 km.)_________J (b) What is the rotational kinetic energy (in J) of Jupiter in its orbit around the Sun? (Assume its distance from the sun to be 7.78 ✕ 108 km and its period about the sun to be 4340 days.) _________J
A star rotates in a circular orbit about the center of its galaxy. The radius of the orbit is 5.7 x 1020 m, and the angular speed of the star is 5.4 x 10-15 rad/s. How long (in years) does it take for the star to make one revolution around the center? (b) Number Units VT
How much rotational kinetic energy in joules is there in a disk of radius 0.2 meters and mass 33 kg rotating at 1000 turns per second? Give your answer in joules.