A car travels in a straight line at 1.62 m/s. Its momentum is 8.87 kg-m/s. What is its mass? (use 9.81m/s squared for acceleration)

Q: 2. Derive the capacitance of al = 1m long piece of coaxial cable. Model it by assuming it consists o...

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Q: Write a question requires a mathematical calculation about the rotational displacement of an object ...

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Q: Car A starts from rest at t = 0 and travels along a straight road with a constant acceleration of 6 ...

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Q: What force must be applied to a 2.5 cm-diameter piston in a hydraulic lift system in order to lift a...

A: Given value--- diameter d1 = 2.5 cm. mass = 1210 kg. diameter d2 = 15 cm. We have to find--- What...

Q: The motion of a particle along a straight line is defined by s = ((1/3)t^3 - 36t). Find the average ...

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Q: How do you get the maximum torque?   longer lever arm and less force at an acute angle   shorter l...

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Q: 2. Add the following two vectors by use of the PARALLELOGRAM METHOD: 25N at 395° and 35N at -30°. No...

A: Draw the schematic diagram of the system.

Q: Calculate the buoyant force on a rock of mass 32 kg and unit weight of 27468 N/m^3 when fully submer...

A: Given that:- Mass of rock=m=32kg

Q: A box of mass 30.0 kg on a rough inclined plane is pulled by a force F parallel to the incline. The ...

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Q: 5 A ЗА 5 A /2 A 2 A 4A 4 A (a) (b) 7A누 / 5 A ЗА (c)

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Q: Determine how many times the impedance of electric circuits differs if such circuits include active ...

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Q: The 50-kg crate rests on a horizontal surface for which the coefficient of kinetic friction is uk = ...

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Q: 1. What is the electric field strength at a distance of 10 cm from a charge of 2 uC?

A: Electric field due to a point charge (q) at a distance (r) is  E = kq/r^2 Where k= 9×10^9 Nm^2/C^2  

Q: Two charges, q1=4nC, which is located at the y=7cm, and q2=-5nC, which is located at the -x-axis, ar...

A: Charge q1 = 4nC = 4×10-9 C Charge q2 = -5nC = -5×10-9 C location of charge q1 is (xo1, yo1) = (0 m, ...

Q: A solid metal bar is at rest on a horizontal frictionless surface. It is free to rotate about a vert...

A: Given that:- A solid metal bar and location of force applied on bar is given.

Q: a player imparts 750 kg-m/s of linear momentum to a 250 gm billard ball how fast does the ball move?

A: Given data:  Linear momentum (P) = 750 kg.m/s Mass (m) = 250 gm = 0.250 kg Required: Velocity (v) 

Q: A worker pushes a 30.0-kg crate a distance of 4.5 m along a level floor at constant velocity by pushi...

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Q: All points along a rotating rigid body move with constant speed   Points along a rotating body move...

A: Option 1 is not correct For a rotating rigid body, the angular velocity is constant for all the poin...

Q: At some point, not close to its ends, within a solenoid of arbitrary length, calculate the approxima...

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Q: PC A B 44m The ball moves with its speed steadily rise over time, starting at 50 kph at A. During 13...

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Q: 3. Consider the system shown in the figure on the left. Block A weighs 43.8 N, and block B weighs 27...

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Q: its A capacitor discharges through a 820k2 resistor and drops to original voltage in 7 min How many ...

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Q: A particle moving in x-y plane has acceleration vector (VE,z) 0. The particle is at rest at time t =...

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Q: After a leaf falls from a tree, an apple falls next. If the apple has a potential energy of 97 J and...

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Q: Four resistors of 1000 ohms each are arranged in a square. What is the resistance across either diag...

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Q: The velocity of a particle is v = { 3i + (6 - 2t)j} m/s where t is in seconds. If r = O when t = 0, ...

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Q: How much mechanical energy is present in a 1.2 kg object that was thrown from a height of 120 meters...

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Q: Determine the magnitude of the resultant and its direction angle from x, y, and z axis for the follo...

A: Given: F1 = 465+6 = 471 lbr1=(4,5,3)F2=2060/10 = 206lbr2= (-6,4,-5)F3=300 lbr3=(6,-2,-4)

Q: Ignoring the mass of the spring, what is the mass m of the fish?

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Q: 12) The function of a wave on a stretched string is given by: y(x, t) = 0.4sin(wt – kx + 4) where x ...

A: Given: y(x,t) = 0.4 sin (ωt-kx+φ)at t=0 and x=0y=-0.2 m

Q: PN 25 NOT TO SCALE 28 A particle of mass 1.8 kg is placed on a rough plane which is inclined at an a...

A: Given:m =1.8 kgμ=0.32

Q: In the area below, categorize each characteristic according to the type of wave it describes. Some c...

A: To categorize the characteristics of sound waves and electromagnetic waves   

Q: The gauge pressure in your car tires is 2.50×105N/m2 at a temperature of 35.0ºC when you drive it on...

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Q: The relationship between three quantities x, y, and z is given by x = y² /z. If the dimension of y i...

A: Given: The relationsp between quanittity is. x=y2z The dimension of the y is LT. The dimension of th...

Q: (i) If the temperature of any object is 83.12°F then calculate its value in "C (a) – 18.88 (b) 28.4 ...

A: Given data:  Temperature (TF) = 83.12 °F Required: Temperature in °C

Q: B. Complete the following Color Equation : 1. R+ G= 6. G+M = %3D - 2. R+ C = 7. R+ B = %3D - 3. W-R ...

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Q: The net force needed to hold up a block of aluminum immersed in fresh water is 10 N. What is its vol...

A: Given: Fnet=10 Nmaterial of object = Aluminiumfluid = water

Q: In an experiment, you will drop a 0.1 kg egg from a height of 10 m. How much energy is present in th...

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Q: Three resistors are connected in parallel as shown. A potential difference of 18 V is maintained   ...

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Q: The velocity of a 3.00 kg particle is given by i = (8.00ti + 3.00ť² j)m/s,with timet in seconds. At ...

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Q: An incompressible fluid is flowing through a pipe with a constriction. The pipe is on an incline wit...

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Q: 15. The electric field strength between two parallel conducting plates separated by 4.00 cm is 7.50 ...

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Q: Car A and a Police Car both chasing Car B. Car A started from rest with an acceleration a = (0.24t2 ...

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Q: Calculate the total resistance of the resistors in the diagram, given: R1=1202 R2=4002 R3=6002 R4=22...

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Q: A ball of mass 5 kg and block of mass 12 kg are attached by lightweight cord that passes Over fricti...

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Q: 4. The two charges shown experience a repulsive electric force of 1.42 N. How far apart are they (q ...

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Q: The motion of the traveling block on this oil rig depends upon the motion of the cable connected to ...

A: The motion of the traveling block on this oil rig depends upon the motion of the cable connected to ...

Q: A disk with a diameter of 60 cm speeds up from 20 rad/s to 40 rad/s in 5s. (a) How many revolutions ...

A: Given : Diameter of the given disk, D = 60 cm = 0.6 m Initial angular velocity, u = 20 rad/s Final a...

Q: Write your solution and answer correctly. 1. A 5 kg ball was thrown at the height of 10 meters w...

A: Here the total energy of the ball will be sum of its kinetic and potential energy.

Q: 4. Two blocks of masses 5 kg and 7 kg are placed in contact with each other on a frictionless horizo...

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