A car mechanic mounts a car on the repair stand and starts the rear wheel spinning from rest to a final angular velocity of 275 rpm in 7.00 s. Calculate the average angular acceleration in rad/s2.

Q: 2. A block of mass 0.25 kg is pushed against a spring of spring constant 80 N/m. It can slide…

A: mass of block m = 0.25 kgspring constant k = 80 N/mthe angle of inclination is 30oinitial…

Q: Dekamre He elechose field Cchuse one of Meupains helau) oreand hy asdhid Oeteliter Chradar asthid…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Two objects with masses represented by m, and m, are moving such that their combined total momentum…

A: According to company policy, only first question will be answered here. Please post the rest…

Q: A) What volume would 1 mol of N2 occupy at STP? Give your answer in liters rounded to the tenths…

A: Molar mass of N2= 28 g/mol n=mole=1 mol R=0.083144598 L.bar.K^-1.mol^-1   applying PV=nRT T=273 K P=…

Q: Screen n=0 (first dark fringe) Second dark fringe 1 cm away from the first

A: Given: Slit separation, d=0.2 mm=2×10-4m. Screen distance, D=3.5 m. Width of fringe, β=1cm=0.01 m.

Q: A weightlifter raises a 150-kg barbell from the floor to a height of 2.2 m in 0.80 s. What is his…

A: Given Mass m   = 150 kg Height h = 2.2 m Time t     = 0.80 sec Find, the average power output during…

Q: A solid cylinder with a rotational inertia of (1/2)MR2 is released from rest and rolls without…

A:

Q: If the Moon had three times as much mass and still orbits Earth at the same distance, ocean bulges…

A: Ocean bulges are due to gravitational force of attraction between earth and the moon. If the…

Q: Q4. Convert these into proper vector notation: Westward velocity of 42 km/h. Position 6.5 measured…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The magnitude of the uniform electric fields on 5 of the 6 faces of the rectangular box are E₁ = 144…

A: First we find total electric flux in the box, therefore  φ=-φ1+φ2-φ3+φ4-φ5+φ6 Now,…

Q: A teeter totter is 6,7 meter long thin plank with a Muss of iskg. Itis balanced at its Center if…

A: moment of inertia of rod = (1/12)(15)(6.7)2  = 56.1125 kg m2Moment of inertia of child =31 (6.7/2)2…

Q: Still dont understand

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Q: In the game of tetherball, a 1.25-m rope connects a M = 0.850-kg ball to the top of a vertical pole…

A: Given value--- length = 1.25 m. M = 0.850 kg. angle = 37 degree . We have to find--- speed of…

Q: A baseball mass 175.00 g approaches a bat horizontally at a speed of 35.70 m/s and is hit straight…

A: Mass of the baseball m = 175.00 g = 0.175 kg Initial velocity of the ball u = 35.70 m/s Final…

Q: Several forces act on an object, but the total work done by all of the forces is zero. What can be…

A: Work done is defined as, by applying a force, displacement of an object from one position to another…

Q: The London Eye Ferris wheel in London, England (duh), has a diameter of 120 m. While the ride is…

A:

Q: 1)What is the magnitude of F between two charges of 5.0 pC separated by 1.0mm?

A: The force between the two charge particles is given by  F = k q q'r2

Q: Constants | Periodic Table A 24 g bullet strikes and becomes embedded in a 1.55 kg block of wood…

A:

Q: tationary horizontal disk of radius R and Mass M is dropped on top of a rotating disk of same radius…

A:

Q: midal fransformer has 20tums on its pomary Side and ao tpns ansts Selonderey Side the primany she…

A:

Q: In one series of aircraft exercises, a pilot went down 370 m after ejecting from his jet plane and…

A: Given:distance travelled by pilot after ejection, d = 370 mcrater depth, x = 1.1 mmass of the pilot,…

Q: Help Liam Liam drew this graph on the previous screen. T What do you think happened to the green…

A: In the given graph there are two  values of height corresponding to one value of time. So when he…

Q: A fish with mass m and length L pivots about a point at its tail (as shown). The center of mass is…

A: given:- Center of the mass location at ''h'' Find the period of oscillation…

Q: The electric potential cannot be calculated from the electric field. Select one: O True False

A: Electric potential: around of work needed to move a unit of  electric charge from a reference point…

Q: An Atwood machine consists of two masses, ma = 7.0 kg and mg= 9.0 kg, which are connected by a rope…

A:

Q: A 5.4-cm-diameter circle lies in the xz-plane in a region where the electric field is E = (1000 +…

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Q: förce strength and direction 4 Calculate the kinetic friction force and direction 5 Find the net…

A: 4)  Kinetic friction force F=μXN F= 0.1 X654.89 F=6.5489 N Direction : as shown in fBD, side of…

Q: A room has dimensions of 7.3 m by 5.7 m by 3.2 m. The pressure inside the room is 90,000 Pa and the…

A: using ideal gas equation

Q: Water of I gal/min is taken from a tower of 10 ft in height to the ground level through a pipe. What…

A:

Q: A 1-kg metal ball slides across an incredibly smooth table at 5 m/s and hits a 0.2-kg metal ball at…

A: For the given problem, we need to check the law of conservation of momentum and energy before and…

Q: 2. A stack of bricks with mass m=200 kg is sitting on a frictionless ramp, connected to a rope as…

A: Given that:- Mass of the stack of bricks=m=200kg

Q: A 14.2 kg sheep dog is running to the right at 1.78 m/s. A 10.7 kg collie is running to the left at…

A: