The captain told the passengers that the plane is flying at 450 miles per hour. This information describes the plane's
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As a 2-kg ball rolls down a ramp, the net force on it is 10 N. What is the acceleration?
An object is accelerating if there is a change in speed and/or ________. a. timeb. positionc. directiond. displacement
A car speeds up from rest to +16 m/ s in 4s. calculate the acceleration
A stone is thrown straight up from the roof of an 80 ft building. the height, in feet, of the stone at any time t, in seconds, measured from the ground is given by ℎ(????) = −16???? 2 + 64???? + 80. what is the maximum height the stone reaches?
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This means:
Work in Joules (J) = Power in Watts (W) × Time in Seconds (s)
This means:
Work in Joules (J) = Force in Newtons (N) × Distance in Meters (m)
~ first is Joule which is equal to Newton .meter ..
~ second is kilogram .meter square per second square i.e kgm²/s²
the second unit is derived from the first unit Newton .meter
Newton = kgm/s² and then multiply m .. it will be equal to kgm²/s²..
b. Waves can exist in liquids and solids only.
c. Waves can exist in solids and liquids only.
d. Waves can exist in solids, liquids, and gases.
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is the ONLY accurate statement.
The word "only" in the other 3 statements makes them
not accurate at all.
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Any motion is only measurable by comparing it with something else.
In the same frame of reference in which the plane is traveling at 500 mph,
yes, the fly is moving faster than that. But from the point of view of a passenger
on the plane, no it isn't.
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Answer:
Explanation:
Cylinder P is taller than cylinder Q. In fact, it's twice as tall. So if cylinder Q is, let's say, 10 inches tall, cylinder P would be 20 inches tall.
Cylinder P is also wider, but not by a lot. It's only half as wide as cylinder Q. So if cylinder Q has a width of 10 inches, cylinder P would have a width of 5 inches.
Now, let's talk about the insides of these cylinders, how much stuff they can hold. If we filled them up with something, like water, the bigger one (cylinder P) can hold twice as much as the smaller one (cylinder Q).
So, cylinder P can hold more stuff because it's both taller and a little wider than cylinder Q.
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Answer:
7.62 x J
Explanation:
Given:
frequency 'f'= 1.15 x Hz
Planck's constant 'h'= 6.63x Js
Energy of photon can be calculated by the formula:
E= hf
Where,
E= energy of photon
f= frequency of photon
h= Planck's constant
Putting the given values in the formula
E= 6.63x x 1.15 x
E= 7.62 x J
Therefore, the energy of photon is 7.62 x J
Answer:
Explanation:
Given:
Frequency, f = 1.15 × 10^15 Hz
Plancks constant, h = 6.63 × 10^-34 Js
Using the formula,
Energy, E = h × f
Inputting values,
Energy, E = 1.15 × 10^15 × 6.63 × 10^-34
= 7.6245 × 10^-19 J
Energy of the photon , E = 7.6245 × 10^-19 J.
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Answer:
12m/s²
Explanation:
Two balls with equal masses and speed engage in a head-on elastic collision. Since the balls of equal mass are moving at equal and opposite speeds, the total linear momentum of the system is zero.
Therefore, the second ball experience an acceleration of 12m/s² at the same time.
Final answer:
Due to the law of conservation of momentum, two balls of equal mass colliding will experience equal but opposite accelerations at the simultaneous point of collision. In this case, if one ball experiences an acceleration of 12m/s^2, the other will experience -12m/s^2.
Explanation:
In the field of physics, this scenario falls under the law of conservation of momentum. According to this law, the total momentum before and after the collision remains the same. If two balls of equal mass collide, and one experiences an acceleration of 12 m/s2, the other ball will experience an equal but opposite acceleration, so -12 m/s2. Please keep in mind, that this is a simplification and real-life situations might be more complex due to factors like friction, air resistance and the angle of collision.
Learn more about Conservation of Momentum here:
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