Projectile motion is caused by A. the downward force of gravity. B. an initial forward velocity. C. a final vertical velocity. D. the downward force of gravity and an initial forward velocity.
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Question
Updated 9/18/2014 6:25:26 PM
Original conversation
User: Projectile motion is caused by A. the downward force of gravity. B. an initial forward velocity. C. a final vertical velocity. D. the downward force of gravity and an initial forward velocity.

Weegy: D) the downward force of gravity and an initial forward velocity. When a mass is present in the above space-time it distorts it so that whilst it remains true that traveling through space causes you to travel through time, [ traveling through time now causes you to move (accelerate) through space. [ In other words just by existing, you are compelled to move through space - this is gravity. ] ]

User: As an astronaut travels far away from Earth, her weight A. decreases because gravity decreases. B. decreases because her mass decreases. C. increases because gravity increases. D. remains the same because her mass remains the same.

Weegy: 1. decreases because gravity decreases.
jcr.2008|Points 840|

User: Light acts like A. a wave. B. a particle. C. both a wave and a particle. D. neither a wave nor a particle.

Weegy: The light can be thought of as both a particle and a wave. Light can be described (modeled) as an electromagnetic wave.
AKATSUKI|Points 220|

User: X-ray photographs show softer tissue A. as invisible. B. as dark, highly exposed areas. C. the same as dense bones. D. as bright white areas.

Question
Updated 9/18/2014 6:25:26 PM
Rating
8
X-ray photographs show softer tissue: as dark, highly exposed areas.

Questions asked by the same visitor
Atmospheric pressure is caused by A. air currents. B. the weight of the atmosphere above a particular location. C. clouds. D. the altitude above sea level.
Weegy: Atmospheric pressure is caused by the weight of the atmosphere above a particular location. (More)
Question
Updated 6/8/2014 9:52:31 AM
The energy stored in gasoline is A. chemical energy. B. electromagnetic energy. C. mechanical energy. D. nuclear energy.
Question
Updated 6/8/2014 10:08:04 AM

The energy stored in gasoline is CHEMICAL ENERGY.

In 1926, Michelson was able to measure the speed of light using A. lanterns. B. stars. C. mirrors. D. sunlight.
Question
Updated 6/8/2014 12:42:50 PM
In 1926, Michelson was able to measure the speed of light using mirrors.
Confirmed by yumdrea [6/8/2014 1:16:38 PM]
A fluorescent light bulb usually contains A. a vacuum. B. oxygen. C. mercury vapor. D. fluorescent powder.
Question
Updated 6/8/2014 9:03:04 PM

A fluorescent light bulb usually contains MERCURY VAPOR.

The SI unit of force is the A. joule. B. kilogram. C. meter. D. newton.
Weegy: The SI unit of force is the newton. User: The centripetal force acting on a satellite in orbit A. acts as an unbalanced force on the satellite. B. changes the direction of the satellite. C. is a center-directed force. D. all of the above Weegy: The centripetal force acting on a satellite in orbit acts as an unbalanced force on the satellite; changes the direction of the satellite; and is a center-directed force. The answer is all of the above. User: An open parachute increases air resistance of a falling sky diver by A. decreasing the weight of the diver. B. increasing surface area. C. increasing the terminal velocity. D. reducing fluid friction. (More)
Question
Updated 1/19/2015 12:57:57 PM
An open parachute increases air resistance of a falling sky diver by: increasing surface area.

Confirmed by Andrew. [1/19/2015 12:58:14 PM]
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