A ball of mass m kg moving with a speed v strikes a wall at an angle e with the wall and rebounds with same speed and same angle. What is its change in momentum?

Q: Those answers were incorrect

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Q: Question number 1 is not 1.43

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Q: Both 0.169 and 0.17 have been marked as incorrect. Why might this

A: mass of apple (m) = 100 g = 0.1 kg mass of moon (M) = 7.3×1022 kg Radius of moon (R) = 1.7×106 m

Q: A) answers for distance are not correct when I enter them

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Q: says 3.55 is wrong

A: Here,  Area under the Force and time curve is 15 Ns . (area calculation from above solution is…

Q: how did it become 6.92?

A: Given that, the resistance of the resistors are R4=1kΩ=1000ΩR5=2kΩ=2000Ω the voltage drop across R4…

Q: That's not the correct answer! The answer is 45 m

A: P = 1.3 MW v = 9.5 m/sCp = 0.36rho = 1.225 kg/m^3

Q: None

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Q: Why is Mathematics an important tool in the study of physics?

A: A question often asked i.e., the importance of mathematics in physics. Some people think that…

Q: my quiz shows the answer as 10?

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Q: Can you answer letters d, e, and f?

A: Given data: The mass of the object is m=0.3 kg. The radius of circle is r=1.0 m.

Q: Now in velocity selector region, determine the magnitude and the directions of magnetic, electric…

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Q: How we get 0,46?

A: It is given that,                         The mass of the block, m=2500 grams=2.5 kg.…

Q: Convert 300m to km

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Q: o its just the same answer youre just adding a degree sign

A: Yes , according to laws of reflection angle of incidence is equal to angle of reflection.

Q: 21 32 043 054

A: The velocity vectors - v21 and - v43 will be opposite to their positive counterparts as shown in the…

Q: Solve and match the answer

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Q: Shouldn't r be squared

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Q: what is wrong with answer being 672.1

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Q: can you extend the answer until letter H?

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Q: not understanding the calculation

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Q: what's the answer of letter D

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Q: As 3 4 2.

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Q: so b= 6.09 s^-2  but you used 5.21. when I plug in the answers its wrong, can you please fix this.

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Q: Can you plz questions no d

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Q: 1. What is the x component of A'? 2. What is the y component of A'? 3. What is the y component of B?

A: As per our guidelines, we are supposed to answer only first three subparts in case of multiple…

Q: - 40. A 2.00-kilogram mass is at rest on a horizontal surface. The force exerted by the surface on…

A: Part (40): Given: The mass of the object is 2 kg.

Q: A cannonball is launched diagonally with an initial horizontal velocity of 38.0m/s. Label the…

A: (1) Given: The initial horizontal velocity is 38.0 m/s. The angle of launch is 23.0°.

Q: the finals answer should be in feet??

A: Given value--- Voltage = 9 V. charge = 0.347 A-h. mass = 10 kg. We have to find--- height?

Q: The answer is wrong! The correct answer is 3.62. How do i get this answer

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Q: Can you please answer def as a followup if thats allowed?

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Q: I need the answer is 2 significant number I d

A: Here the answer is 6.007 m/s which contains 4 significant figures,

Q: 16.7 miles is the maximum link distance to guarantee LOS, so the height of the towers must be: * O…

A: given; maximum distance D=16.7 miles =88176 ft

Q: How many significant digits does 1200 have? O 2 O Unknown О з 4.

A: Significant figures are the number of digits in a value, often a measurement, that contribute to the…

Q: dA 1 L 는 dt 2 m

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Q: The angle between was counted as incorrect,

A: Calculate the angle between F1 and F2. tanθ=F2F1tanθ=−16.8 N−10.0 Nθ=59.237° (countrclockwise from…

Q: doesn't that still need to be multiplied by 6?

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