An RC circuit with a time constant of 5e-3 seconds is being charged. How long does it take for the capacitor to reach half of its maximum charge? 2.38 s 8.23e-4 s None of the above 138.63 s 3.47e-3 s

Q: If you hit somebody from behind, his head seems to snap backwards. Why?

A: Force brings about motion and changes in it.  This force produce acceleration and hence the changes…

Q: A 15 kg object is raised 12.5m in a total time of 14 s. What was the power required to complete this…

A: Given Data : The mas of the object is given as m = 15Kg. The rise in height of the object is given…

Q: The firing of a bullet by a rifle causes the rifle to recoil backwards. The speed of the rifle's…

A: As per the conservation of momentum, the initial momentum of the system will be equal to the final…

Q: The pressure in the tank at B is 600 kPa. If the differential elevation of the oil is h = 2.25 m,…

A: Pressure at B = 600 kPah = 2.25density of oil = 900 kg/m3density of water = 1000 kg/m3specific…

Q: The of an object is defined as the product of its mass and its velocity O Momentum O Impulse O…

A: Momentum of an object is defined as product of its mass and  its  velocity. Momentum , p = mass ×…

Q: A very bouncy ball is released from rest and bounces off a very hard floor. Why won’t it ever quite…

A: It is due to lose of some energy during collision.

Q: After firing a cannon ball, the cannon moves in the opposite direction from the ball. This an…

A: Given that, After firing a cannonball, the cannon moves in the opposite direction from the ball.

Q: Calculate the momentum of a car that has a mass of 1650 kg and a velocity of 14•1 m/s?

A: Given data :    Velocity  =  V     Mass   =   m        To find :              Momentum

Q: 8) The network show CY = 3.21 µF, and C) applied between poin S2 is kept open. Then %3D

A: Let C1, C2........Cn be n no of capacitors connected to a circuit in series. Let the equivalent…

Q: Why Does A Gun Recoil When A Bullet Is Fired?

A: This is due to the Newton's third law of motion. When a bullet is fired from a gun, the gun exerts a…

Q: I need help with 3 and 4 only, Thank You...

A: We are given the angle of prism. We draw a perpendicular form point of incidence on inclined surface…

Q: Why do you suppose the windmills are arrayed in an arc rather than in a straight line?

A: An arc arrangement of windmills confirms the rotation of all the wind turbines under the influence…

Q: 2. The position of a particle between t = 0 and t = 2.00s is given by r(t) = (3.00 m/s³)³-(10.0…

A: Given:- equation of motion is given as  x(t) = 3.00 m/s3t3-10.00m/s3t2+9.00m/st This is a position…

Q: Once in motion an object can have zero amount of?

A: The answer to this question is inertia momentum. This is because we know that…

Q: For the pith ball why is it 0.45 distance instead of 0.5?

A: Given :  Pith ball is fixed 50cm above the square plate. Point A is located 5cm above the square…

Q: is the projection on OL of the moment Mo = λ ·(rxF) Μοι = λ · Μ The projection of a vector on an…

A:

Q: How much energy is stored in a pinball machine spring (constant = 750N/m) that is compressed 3.0cm?

A: Given that:-Spring constant, k=750 N/mSpring compression, x=3.0 cm=0.03 mWe know that:-Energy…

Q: Calculate the linear momentum (in kg•m/s ) of a pickup truck that has a mass of 1035 kg and is…

A: The expression for the linear momentum is as follows: p = mv

Q: Drando 230 Print Reading for Industry Review Activity 12-1 For each surface texture symbols given…

A: For the US customary system, Using the method given, S. No. Maximum Roughness           Average…

Q: Given: Two Pulley System S = 58cm S, = 30cm Since the weight of load is in grams, we convert grams…

A: Given: Two pulley system Si=58 cmS0=30 cm  F0=196000 dynesFi=93100 dynes   To find: AMA and IMA

Q: When catching a fast-moving baseball, why would the player want to extend his arm far out ahead of…

A:

Q: (18 pts) Two balls are tied together via string and then swung in a vertical circular path using a…

A: (a) Draw the free-body diagrams of both balls.

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A:

Q: Is the following statement true or false? The moment arm for a force and the line of action for the…

A: The expression for the torque is,

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A:

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A:

Q: Find the Force Impulse 71 N*s Time=2 s

A: Given data : Time=t Impulse=J   Required : Force

Q: Heavier bodies need greater initial effort to put them in motion. why?

A: Given: Heavier bodies need greater initial effort to put them in motion, why

Q: 1. Using the steps for node voltage analysis to solve for the node voltages. Then, calculate the…

A:

Q: How much impulse is produced if a ball is thrown with a force of 80 N and travelled for 2 minutes

A:

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A: (iv) Velocity in SHM is given by v = dx/dt, x = asin (μt + Φ), where a is amplitude, μ is angular…

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A:

Q: VE12 m\s 37 degree 2 m 6 m Rebounded ball is projected with 37 degree with velocity 12 m\s after…

A:

Q: A solenoid that is 98.5 cm long has a cross-sectional area of 15.2 cm². There are 1270 turns of wire…

A: