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Two wheels have the same mass and radius of 4.3 kg and 0.50 m, respectively. One has
(a) the shape of a hoop and the other
(b) the shape of a solid disk. The wheels start from rest and have a constant angular acceleration with respect to a rotational axis that is perpendicular to the plane of the wheel at its center. Each turns through an angle of 12 rad in 9.2 s. Find the net external torque that acts on each wheel.
If the firm's required return is 12 percent, the market value of debt is $300,000, the market value of preferred stock is $70,000, and the company has 100,000 shares of stock outstanding.
a sled of mass 1 kg has an initial speed of 1.00m/s across a horizontal surface. the force of friction between the sled and surface is 0.2N. What is the speed of the sled after it ha traveled a distance of 2.00m
ABC has a twenty year bond that has just been issued with an 8% coupon rate. It pays interest semiannually and has a par value of $1000. It may be called in five years at a price of $1040.
Two ice skaters, with masses of 30.0kg and 65.0kg , are at the center of a 60.0m -diameter circular rink. If the heavier skater reaches the edge in 40.0s , how long does the lighter skater take to reach the edge
Suppose government were to provide free daycare for children and assume this has no effect on the real wage w, taxes T, and dividend income π. Determine effect of the daycare program on consumption, leisure and hours worked by the consumer.
To estimate the size of the moon, a person holds a round pencil of diameter 0.70 cm. When the pencil is 77 cm in front of his eye, What is the angle subtended by the moon
To assess the resiliency of typical network access switch block using Hot Standby Router Protocol (HSRP ) along with Spanning Tree Protocol and VLANs .
20 years ago the average savings rate was 20 percent of disposableincome. It is predicted that this would drop to 5 percent in lessthan five years
1. What bond feature permits a bond to be paid off early 2. When buying from a dealer, what price do you pay 3. what is the tatal amount of cash paid a bond seller by a buyer called 4. How is flotation costs handed in project cash flows
Dan is gliding on his skateboard at 4.00m/s . He suddenly jumps backward off the skateboard, kicking the skateboard forward at 6.00m/s, How fast is Dan going as his feet hit the ground
A rope 2.0-m-long has a mass of 0.100 kg. The tension is 65 N. calculate the frequency of the oscillator
A 76 W light bulb with a resistance of 178 ? is connected to a power supply with a 117 V, What is the internal resistance of the power supply
The mass of a bottom quark is 4.20Gev/c^2 and was found by colliding a beam of protons with a cloud of stationary protons. How fast were they moving
A uniform field E = -170000 j N/C exists between two plates of length L = 3 cm. Find the angle at which it emerges
A jetliner is moving at a speed of 235 m/s. The vertical component of the plane's velocity is 42.9 m/s. Evaluate the magnitude of the horizontal component of the plane's velocity.
What is the average linear speed of Jupiter about the Sun, (The distance from the Sun to Jupiter is 7.78 1011 meters. The orbital period around the Sun is 4332.7 days.)
50 g of gasoline are mixed with 38 g of water. What is the average density of the mixture
A crate travels 30 m due to a constant force of 350 N. The friction can be neglected for the first 15 m. What is the final speed of the crate if it weighs 110 kg
Player serves a tennis ball 2.2 m above the ground. The ball leaves his racquet with a speed of 56 m/s at an angle 10 degree below the horizontal. what's the ball clea the net
The difference in electric potential between a thunder cloud and the ground is 1.58 108 V, Determine the change in electric potential energy of one of the electrons that move to the cloud
An unstable particle having mass of 5.00x10^-27 kg is initially at rest. Find the rest masses of the fragments
In the above animation a massive block is attached to a spring. It is sliding back and forth on a frictionless table. The spring has a spring constant 250 N/m. Determine the mass of the block
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