If you borrow $100 at 10 percent simple annual interest and repay it in one lump sum at the end of one year, you will have to pay:
A. $100.
B. $105.
C. $110.
D. $115.

If you borrow $100 at 10 percent simple annual interest and repay it in one lump sum at the end of one year, you will have to pay $110.

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Asked 4/12/2013 4:47:12 PM

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Kinetic energy of an object is equal to
A. its mass multiplied by its acceleration squared.
B. one half the product of its mass times its speed squared.
C. its mass multiplied by its speed.
D. one half the product of its mass times its speed.
E. its mass multiplied by its acceleration **Weegy:** C. its mass multiplied by its speed.
The kinetic energy of an object is therefore dependent on the speed of the object as well as the mass. The faster an object is moving, the more kinetic energy it possesses. [ The more massive an object, the more kinetic energy it will have.
A group of objects has a total kinetic energy equal to the sum of the individual kinetic energies.
When an object with mass m (in kilograms) is moving in a straight line at a velocity v (in m/s), the kinetic energy (KE) of the object can be calculated using the following equation: KE = 1/2mv2 .
This form of kinetic energy,that of an object moving in a straight line,is called translational kinetic energy.For example,suppose a soccer player kicks the soccer ball across the midfield,& the ball is traveling at 5 m/s.If the mass of the soccer ball is 0.450 kg,then the kinetic energy is(1/2)(.450 kg)(5 m/s)2,which equals 5.625 J.
When a moving object collides with another object,& no heat is produced in the collision,the kinetic energy is conserved.The total kinetic energy of the two objects is the same before & after the collision.If one object loses kinetic energy in the collision,the other object gains kinetic energy.A collision in which the total kinetic energy is conserved is called an elastic collision. In an elastic collision,the two objects return to their original shapes & move off separately after the collision.An example of an elastic collision is that between 2 billiard balls. ] **User:** If Nellie Newton pushes an object with twice the force for twice the distance, she does
A. twice the work.
B. the same work.
C. four times the work.
D. eight times the work **Weegy:** The answer is B. the same work. **User:** The force that accelerates a rocket into outer space is exerted on the rocket by
A. the exhaust gases.
B. Earth's gravity.
C. atmospheric pressure.
D. rocket's wings.
E. none of the above **Weegy:** A. the exhaust gases, accelerates a rocket into outer space ... (More)

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Asked 4/7/2013 1:44:46 PM

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The centripetal force exerted on stunt motorcyclist Biker Bob while riding on the inner vertical surface of a circular track is
A. friction.
B. his weight.
C. the normal force.
D. none of the above **Weegy:** The centripetal force exerted on stunt motorcyclist Biker Bob while riding on the inner vertical surface of a circular track is B. his weight. **User:** If you try to touch your toes while standing flat against a wall, you probably will fall over. The reason this happens is that
A. your center of gravity is not located directly above your support area.
B. your center of gravity is outside your support area.
C. both A and B **Weegy:** The reason this happens is that C. both A and B. **User:** When a wrench is slid spinning over a frictionless tabletop, its center of gravity follows
A. a regular straight-line path.
B. a wobbly path with irregular speed.
C. a straight-line path with irregular speed **Weegy:** When a wrench is slid spinning over a frictionless tabletop, its center of gravity follows A. a regular straight-line path. **User:** Stunt motorcyclist Biker Bob rides his bike inside a futuristic rotating space station-a giant rotating donut-shaped structure in space. The normal support force feels like weight to him. As he rides his bike in the same direction that the station rotates, the normal force
A. remains unaffected.
B. increases.
C. decreases. **Weegy:** B. increases. **User:** Stunt motorcyclist Biker Bob rides his bike inside a futuristic rotating space station—a giant rotating donut-shaped structure in space. The normal support force feels like weight to him. As he rides his bike in the opposite direction to the station’s rotation, the normal force
A. remains unaffected.
B. increases.
C. decreases. **Weegy:** B. increases. **User:** The long heavy tail of a spider monkey enables the monkey to easily vary its
A. center of gravity.
B. weight.
C. momentum.
D. inertia.
E. none of the above **Weegy:** A. center of gravity. **User:** A ladybug rests on the bottom of a tin can that is being whirled horizontally on the end of a string. Since the ladybug, like the can, moves in a circle, there must be a force on it. What exerts this force?
A. ... (More)

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Asked 4/7/2013 2:57:30 PM

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The center of mass of a human body is located at a point
A. that changes as a person bends over.
B. that is fixed, though different for different people.
C. that is always directly behind the belly button.
D. none of the above **Weegy:** B. that is fixed, though different for different people. **User:** Indicate whether the statement is true or false. The point located at the geometric center of an object is called the object's center of gravity.
A. True
B. False
**Weegy:** A. True **User:** Nellie Newton swings a rock into a circular path while holding an attached string overhead. The string makes a 45-degree angle to the vertical (comprising a "conical pendulum"). The centripetal force that holds the rock in its circular path is the
A. vertical component of the string tension.
B. horizontal component of the string tension.
C. tension in the string.
D. none of the above **Weegy:** The centripetal force that holds the rock in its circular path is the B. horizontal component of the string tension. **User:** Indicate whether the statement is true or false. When an object is balanced so that a displacement raises its center of gravity, the object is said to be in neutral equilibrium.
A. True
B. False **Weegy:** When an object is balanced so that a displacement raises its center of gravity, the object is said to be in neutral equilibrium. B. FALSE. (More)

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Asked 4/7/2013 3:31:18 PM

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Indicate whether the statement is true or false. When an object is balanced so that a displacement raises its center of gravity, the object is said to be in neutral equilibrium.
A. True
B. False **Weegy:** The answer is true When an object is balanced so that a displacement raises its center of gravity, [ the object is said to be in neutral equilibrium.
A property of the steady state of a system which exhibits neither instability nor stability according to the particular criterion under consideration; a disturbance introduced into such an equilibrium will thus be neither amplified nor damped. Also known as indifferent equilibrium.
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Asked 4/7/2013 3:34:47 PM

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One way that astronomers detect planets around distant stars is by observing to see if there is a _________ in the light that reaches us from a particular star. The reason that the star moves away or toward us is a ________ due to the gravitational effects of the planet. **Weegy:** D. Doppler shift, perturbation **User:** The higher a satellite is, the _____.
A. less its speed is
B. greater its speed is
C. longer its period is
D. both A and C
E. both B and C **Weegy:** B. greater its speed is
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Asked 4/7/2013 4:04:23 PM

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