The kinetic energy of a rocket is increased by a factor of eight after its engines are fired, whereas its total mass is reduced by half through the burning of fuel. By what factor is the magnitude of its momentum changed? Hint: Use KE = p2/2m.

Q: Choose the graph that shows each projectiles height as time goes on. thank you!

A: It is given that Alexander is standing on the top of the building and he threw a ball vertically upw...

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A: Mass of the ball (m) =4.5 kg Acceleration (a) = 7 m/s2

Q: Two objects, A and B, are released from rest in free space (no other masses are near). Object A has ...

A: let the mass of A = m let the mass of B = M M>m   

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A: Conservation law of energy states that total energy of an isolated system remains constant OR energy...

Q: What is the capacitance of a nanoparticle that has a radius of 10.00 nm?

A: radius = 10 nm  = 1 * 10-8 m permitivitty of space =8.85 *10-12 C2/N-m2  

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A:

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A: Given,

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A:

Q: C=F, D, B=E, A A, B, D, F, E, C D, F, E, C, A, B C, E, F, D, B, A C, F, D, E, B, A *The picture is t...

A:

Q: A ball of mass 3 kg is travelling to the right at 4m/s when it strikes a secondball of mass 10kg and...

A: Mass of the first ball is m1 = 3 kg Initial speed of the first ball is u1 = 4 m/s Final speed of the...

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A: (given)  A telephone signal to travel  from the Earth= 480 km = 480000 m nearly with speed of light ...

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A: Using the formula of work done,

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Q: Which wave in the diagram has the greatest frequency? 1 ww M 2 3 4.

A: The expression for the frequency is, f=1T Frequency is indirectly proportional to the time period.

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A: mass, m = 2.4 kg ice at -14oC to warm up to room temperature 22oC specific heat of water, c = 4186 J...

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A: Scenario - A particle is made to follow a force that has two components. Given : Mass→m=4 kg Initial...

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A: F = 24000 N m = 5000 kg θ = 35 degree   

Q: An electron moves at a velocity of 8.15 x 10^6 m/s in a direction perpendicular to a magnetic field ...

A: Given data *The velocity of the electron is v = 8.15 × 106 m/s *The given magnetic field strength is...

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A: Thermocline is the thin distinct layer in a large body of water where the temperature changes more r...

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A:

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A: The diffusion coefficient logs, D1=-12.0D2=-15.0   The reciprocal temperatures, 1T1=0.8×10-3K-11T2=1...

Q: Two adjacent natural frequencies of an organ pipe are found to be 245 Hz and 315 Hz. (a) Calculate t...

A:

Q: A child does 350 J of work while pulling a box from the ground up to his tree house with a rope. The...

A:

Q: A sinusoidal transverse wave travels on a string. The string has length 8.00 m and mass 6.00 g. The ...

A: The string’s mass is, The string’s length is, The wave’s speed is, The wave’s wavelength is, The...

Q: Describe the adhesion and cohesion forces. Give 1-2 examples (draw diagram showing the forces).

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A: Given, A rock is dropped from a height of 4mwe have to calculate the time taken by the rock to reach...

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A:

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A: Work = Force × displacement

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A: Given data: Pressure, P1=8.9 atm Temperature, T1=316 K

Q: need help on this question.

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A: Given,  Mass, m= 0.04 kg, and velocity of car 1, v1=4 m/s.

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A:

Q: Whater is flowing out a 16.5cm squared circular pipe at 14m/s. a) What is the volumetric flow rate f...

A: Area = 16 cm2v = 14m/sdensity of water = 1000 kg/m3  

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A: Given: Radius of pulley A = 2.0 cm. Radius of pulley B  5.0 cm. velocity of block v = 2.0 m/s.

Q: Physics Question

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