A sphere can roll purely on a smooth inclined surface. True or False? a) True b) False
Q: Suppose that a copper sleeve of inner radius 1.75 cm and outer radius 1.85 cm is to be cast. To…
A:
Q: Consider a basketball at the top of a ramp. As the ball (radius= 0.235 m) rolls down the ramp, it…
A: Radius of the object is Height of the ramp is Speed of object at the bottom is Note:Gravitational…
Q: A bicycle is turned upside down while its owner repairs a flat tire. A friend spins the other wheel…
A: Given that a wheel is rotating . Radius of the wheel, R= 0.335 m Height to which first drop rises ,…
Q: There is a solid cylinder (radius R & mass M) at the top of a 4.2 m hill. What initial speed does…
A:
Q: ff the track. From these data, determine the coefficient of static friction between the car and…
A: Circumference of circle is given by d=0.25(2πr)....(1) Using Newtons second law Centripetal…
Q: It has been suggested that rotating cylinders about 11.0 mi long and 5.92 mi in diameter be placed…
A: Given: Length of cylinder, L=11 mi = 17702.784 m Diameter of cylinder, d=5.92 mi = 9527.316 m To…
Q: It has been suggested that rotating cylinders about 17.5 mi long and 6.12 mi in diameter be placed…
A:
Q: 2.) A satellite is launched into a circular orbit 40 x 105 m above the surface of the Earth. a. Draw…
A:
Q: It has been suggested that rotating cylinders about 16.5 mi long and 4.65 mi in diameter be placed…
A: Given data The length of the cylinder is l = 16.5 mi. The diameter of the cylinder is d = 4.65 mi =…
Q: An athlete swings a 6.90-kg ball horizontally on the end of a rope. The ball moves in a circle of…
A: Given: The mass of the ball is 6.9 kg. The radius of the circular path is 0.67 m. The angular speed…
Q: It has been suggested that rotating cylinders about 20.0 mi long and 3.53 mi in diameter be placed…
A: It is given that, l=20 mi=32186.9 md=3.53 mir=d2=3.532=1.765 mi=2840.4922 m
Q: A bicycle wheel has a radius r = 0.21 m and rotates at a constant frequency of f = 51 rev/min. r =…
A: The angular frequency, ω = 51rev/min = 5.34rad/s. The time period of rotation of the wheel is
Q: Macmillan Learning A day on a distant planet observed orbiting a nearby star is 72.5 hr. Also, a…
A: Dear students, I have given my 100% on this question. If you see any kind of problem or mistake then…
Q: Explain the tangential component and normal component of acceleration.
A: The acceleration is defined as, a¯=ddtv¯ Here, v is the velocity vector.
Q: It has been suggested that rotating cylinders about 16.5 mi long and 3.60 mi in diameter be placed…
A:
Q: Ex. 27 : The moon takes 27 days to complete one revolution around the earth. Calculate its linear…
A: To find-Linear velocity of moon.Given-Periodic time of moon (T)=27 days.Orbital radius of moon…
Q: Check In the construction of railroads, curvature of the track is measured in the following way.…
A:
Q: The blade of an electric saw rotates at 2600 rev/min. Estimate the diameter of a typical saw that is…
A: The diameter of a typical saw that is used in home construction and renovation is 10 cm. Thus, the…
Q: A spot of paint on a bicycle tire moves in a circular path of radius 0.41 m. When the spot has…
A: Given information: The radius of the circular path, r=0.41 m The linear distance traveled by the…
Q: It has been suggested that rotating cylinders about 20.0 mi long and 5.69 mi in diameter be placed…
A:
Q: It has been suggested that rotating cylinders about 17.5 mi long and 6.31 mi in diameter be placed…
A:
Q: Suppose you are standing within the rim of a circular space station, in outer space. The rim…
A:
Q: A bicycle is riding at a tangential speed of 13.2 m/s around a circular track. The magnitude of the…
A:
Q: Conceptual Example 2 provides some relevant background for this problem. A jet is circling an…
A:
Q: How many revolutions per minute would a 30 m -diameter Ferris wheel need to make for the passengers…
A: d=30 mr=15 mThe passenger is weightless at the top.
Q: 7. A penny is placed at the outer edge of a disk (radius = 0.190 m) that rotates about an axis…
A: Radius of the disc Time period of its rotation about its central axis perpendicular to its plane
Q: How long does it take a CD spinning at 260 rad/s to rotate through an angle of 4680 radians? ) A) 56…
A: Angular speed of the CD (ω)=260 rad/s Angle to be covered (θ)=4680 rad
Q: A stand mixers blade has a radius of 7.8 cm. What is the acceleration of the outer blade if the…
A:
Q: Semi-trailer trucks have an odometer on one hub of a trailer wheel. The hub is weighted so that it…
A:
Q: A compact disc (of radius 0.06m) has an angular speed of 65 radians/second. The linear speed of a…
A:
Q: It has been suggested that rotating cylinders about 18.5 mi long and 4.60 mi in diameter be placed…
A:
A sphere can roll purely on a smooth inclined surface. True or False?
a) True
b) False
Step by step
Solved in 3 steps
- HelpNeeds Complete typed solution with 100 % accuracy.It has been suggested that rotating cylinders about 11.0 mi long and 3.63 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the free-fall acceleration on Earth? rad/s
- 1) A discus thrower starts his spin while standing facing the back of the circle. He releases the discus 2 s later after spinning 540° to his left. Assume that he accelerates at a constant rate. a) What was his angular acceleration during the throw? b) How fast was he spinning after the first half-revolution (180°)? c) How fast was he spinning at the time of release of the discus?A person rides a Ferris wheel that turns with constant angular velocity. Her weight is 526.0 N. At the top of the ride her apparent weight is 1.500 N different from her true weight. A) What is her apparent weight at the top of the ride? in N B) What is her apparent weight at the bottom of the ride? in N C) If the angular speed of the Ferris wheel is 0.0250 rad/s, what is its radius? in mIt has been suggested that rotating cylinders about 11.5 mi long and 4.18 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the free-fall acceleration on Earth? rad/s
- The earth spins on its axis once a day and orbits the sun once a year. Determine the average angular velocity of the earth as it spins on its axis and orbits the sun. In each case take the positive direction for the angular displacement to be the direction of the earths motion7. Find the tangential and normal components of acceleration for r(t) = (8 cos t ,8 sin t, 8t)2.) A satellite is launched into a circular orbit 40 x 105 m above the surface of the Earth. a. Draw a picture of the situation. b. Find the tangential speed of the satellite. c. Find it's orbital period.
- An athlete swings a 6.30-kg ball horizontally on the end of a rope. The ball moves in a circle of radius 0.690 m at an angular speed of 0.450 rev/s. What is the tangential speed of the ball? What is its centripetal acceleration? If the maximum tension the rope can withstand before breaking is 128 N, what is the maximum tangential speed the ball can have?The 2.0 kg, uniform, horizontal rod is seen from the side as shown above. What is the gravitational torque about the point shown?The earth has a radius of 6.38 x 106 m and turns on its axis once every 23.9 h. (a) What is the tangential speed (in m/s) of a person living in Ecuador, a country that lies on the equator? (b) At what latitude (i.e., the angle in the figure, in degrees) is the tangential speed 1/2 that of a person living in Ecuador?