Which of the following sets of forces cannot have a vector sum equal to zero?I A) 10, 10 and 10 lbs B) 10, 10 and 20 lbs C) 10, 20 and 20 lbs D) 10, 20 and 40 lbs

Q: An aluminum cup of 100 cm³ capacity is completely filled with glycerin at 16°C. How much glycerin…

A: Given Volume of the cup is V0=100 cm3 Initial temperature is t0=16°C Final temperature is tf=40°C…

Q: Gurl, same! An object moving in one dimension has the same initial and final velocities. Which of…

A: Velocity is defined as the change in displacement over a change in time. Acceleration is defined as…

Q: A ball is thrown upwards and caught when it comes back down. In the absence of air resistance, the…

A: Given: The intial and final position of the object is the same. The resistive force is unavailable.

Q: A small block of mass M is released from rest at the top of the curved frictionless ramp shown in…

A: mass of smaller block = M mass of larger block = 1.5 M initial speed of smaller block =…

Q: A small electric immersion heater is used to heat 62 g of water for a cup of instant coffee. The…

A: Given data:  Mass (m) = 62 g = 0.062 kg Power (P) = 110 W Initial temperature (Ti) = 25 °C Final…

Q: A hiker begins a trip by first walking 25.0 km southeast from her car. She stopped and set up her…

A: On first day distance, A = 25 km Angle = 45° (southeast)  On second day distance, B = 40 km Angle =…

Q: Atwood's machine consists of a frictionless pulley and two masses connected by a cable over the…

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Q: What do you call the field produced by accelerating electric charges? 6. Which of the following is…

A: The field produced by accelerating electric charges is called ELECTROMAGNETIC FIELD. (as it contains…

Q: Given data: Force applied=2 N Displacemnt of object=3 m Find the work done

A: Dear student Woek done is defined by: W = Force × displacement

Q: Jinky Pacquiao's second hand on an LV watch has a length of 4.50 mm and makes one revolution in…

A:

Q: Given the figure, determine the Vernier caliper measurement. Express your answer in centimeter. The…

A: Given data:  Main scale reading (MSR) = 3.9 cm Least count (LC) = 0.05 mm Vernier scale reading…

Q: Duterte's wooden ball moves with a constant speed of 4 m/s around a circle of radius 0.25 m. What is…

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Q: A coil of wire of 20 turns has across sectional area of 0.1 m?. A magnetic field of 0.5T passes…

A: Magnetic flux through coil is given by :- Φ=N.B.A.cosθ. Here, Φ = Total Magnetic flux through coil.…

Q: 23. If p has a unit of kg/m3, v has a unit of m/s, D has a unit of m, and R is unitless, what is the…

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Q: The following forces are applied to a body. What is the magnitude and direction of the resultant…

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Q: An object I with a mass of 4 kg is lifted vertically 3 m from the ground level; another object II…

A: Object 1 has mass 4kg and taken to 3m and object 2 has mass 2kg and taken to 6m.

Q: If an 80 kg motorcycle is pushed using 50 N on a concrete road with a coefficient of kinetic…

A: an 80 kg motorcycle is pushed using 50 N on a concrete road with a coefficient of kinetic friction…

Q: Кey projectile A projectile B projectile C Which projectile was launched at the greatest speed? (A…

A: Projectile C. Because, velocity u=(Rg)^0.5/(sin2a)^0.5. a= angle. R=range

Q: A stretched string has a mass per unit length of 5.30 g/cm and a tension of 18.5 N. A sinusoidal…

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Q: Mechanical energy is defined as the sum of both the potential energy and the kinetic energy of an…

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Q: A pingpong ball is atatched to a rope and is swung a vertical circle. What is its velocity and…

A: Data provided:  The ping-pong ball swung in vertical circle Required: The directions of acceleration…

Q: 3) The position of a particle moving along the x-axis is given in centimeters by x = 9.75 + 1.5t³,…

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Q: A small block A with weight of 1 N and initial height h = 10 m is released from rest and slides…

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Q: A proposed nuclear reactor facility will have an electrical power output of 908 MW with a 31.3%…

A: efficiency=output powerinput power=electrical powernuclear power Here electrical power=908 MW &…

Q: The current through the inductor of an LC circuit oscillates at ω = (3.2 π x 103) rad/s. If the…

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Q: An engineer is working on a new roller coaster, and he begins by making a scale model. On this…

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Q: A horizontal force of 200 N is applied to a 55-kg cart across a 10-m level surface. If the cart…

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Q: copper wire is r = 2.19 cm in radius and 2.6 m in length, has a resistivity of 1.72x10^-8 Ω m, and…

A: Given: The radius of the wire is 2.19 cm. The length of the wire is 2.6 m. The resistivity of the…

Q: Initially, a warehouse worker pushes a 55 [N] box on a flat, rough, horizontal surface just enough…

A: weight of the box, W=mg=55 N mass of box m=Wg=55 N9.8 m/s2=5.612 kg

Q: A 5 x 103 F capacitor contains a dielectric of K = 7. What will its capacitance be if this…

A: Write the expression for the capacitance.

Q: Given data : Force applied=2 N Displacemnt of object=3 m Find the work done

A: given data  force f = 2 N displacement d = 3 m work done w = ?

Q: A ball is released from rest at position 1. The diagram shows the ball in four positions as it rolls…

A: Since Gravitational potential energy (GPE) is directly proportional to the height at which the…

Q: 0.50 kg U, = 1.5 m/s r= 0.95 m 2.0 m 1.9 m An engineer is working on a new roller coaster, and he…

A: Given, Mass=0.50kg Speed=1.5m/s Height=1.9m

Q: Three men pull on ropes attached to the top of a heavy object which is level with the ground. Man A…

A: The magntiude of the resultant horizontal force on the object F: The resultant horizontal force is…

Q: What is the force on charge Q = 2.9 nC in the middle of the figure due to the four other charges?…

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Q: An oscillating block-spring system takes 0.692 s to begin repeating its motion. Find (a) the period,…

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Q: In the Atwood machine, what is the direction of tension?   Going upward   Going downward…

A: Atwood machine : It is a system consists of two masses which are hold by massless strings with a…

Q: A particle with a mass of 1.3 x 10-20 kg is oscillating with simple harmonic motion with a period of…

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Q: 17. Which of the following system CAN be used as an inertial reference frame? A. A box sliding down…

A: The frames of reference in which Newton's laws of motion hold good are called inertial frames.…

Q: If the energy received by 7 m2 area in 6 minutes is 4290KJ. Calculate the value of Solar constant ?

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Q: In which orientation of the particle's velocity relative to the magnetic field can we yield the…

A: When the direction of velocity is parallel to the direction of magnetic field, the magnetic force…

Q: A 15.0 kg load of groceries is lifted up from the first floor to the fifth floor of an apartment…

A: Given: The mass of the load is 15 kg. The final position is on the fifth floor. The reference point…

Q: In Newton's Second Law F = ma; if we will double the force applied in the object while keeping the…

A: According to Newton's second law of motion applied force is equal to mass times acceleration of…

Q: We can hear sounds that are produced around a corner but cannot see light that is produced around a…

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Q: Part A The sledder shown in (Figure 1) starts from the top of a frictionless hill and slides down…

A: Given data as per question  h1  =  4.2m h2    =  5.9m

Q: Part A A 210 g toy car is placed on a narrow 66-cm-diameter track with wheel grooves that keep the…

A: Initially the system was at rest.So the initial angular momentum of the system was Li=0 Since there…

Q: A candle is placed at a distance of 25 cm from the convex side of the mirror far away, with a focal…

A: object distance (d) = 25 cm focal length (f) = -8 cm (focal length of convex side of mirror is…

Q: Atwood's machine consists of a frictionless pulley and two masses connected by a cable over the…

A: The magnitude of the acceleration of the masses is 3.27 m/s².

Q: 4) Ata certain time a particle had a speed of 18 m/s in the positive x-direction, and 2.4 seconds…

A: Given Initial velocity = 18 m/s Final velocity = 30 m/s (opposite to the direction of initial…

Q: During a serve, a tennis racket exerts an average force of 250 N on a 80-g tennis ball, initially at…

A: Given data:  Force (F) = 250 N Mass (m) = 0.080 g Initial velocity (Vi) = 0 m/s Time (t) = 0.005 s…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!