When a 15-N lamp hanging at rest by a vertical rope from a ceiling, the force exerted by the ceiling is: Group of answer choices 10 m/s2 not enough information to answer 15 N + the tension in the rope 0 N since it is in equilibrium 15 N

Q: ... A train starting from a railway station and moving with uniform acceleration attains a speed 40…

A: Given data :                 Initial velocity of the train     =     u                 Final…

Q: A child is twirling a 0.0103-kg ball on a string in a horizontal circle whose radius is 0.0907 m.…

A: Mass of ball(m) =0.0103 kg Radius of horizontal circle(r) =0.0907 m Time period of revolution (T)…

Q: A small block with mass 0.0400 kg is moving in the xy-plane. The net force on the block is described…

A: mass of small block (m) = 0.04 kg The potential energy function is given by : U(x,y) = 5.80 x2 -…

Q: In an RLC series circuit as shown in Figure 2, R = 40 Q, L = 1 H, C = 16 x 10-F, and the voltage…

A: current is 1.515 amp

Q: A pendulum whose period of oscillation is one second in the place of the earth's acceleration in it…

A: Given, Time period of the oscillation of the simple pendulum, T = 1 sec The acceleration due to…

Q: A cart weighing 20 newtons is pushed 10 meters on a level surface by a force of 5 newtons. How much…

A: Given data : Weight=W Displacement=d Force=F   Required: Work done

Q: B 30° A The 50 kg homogeneous smooth sphere rests on the 30 degree incline A and bears against the…

A: The homogeneous smooth sphere is at rest. So, according to Newton's second law Fnet=maa =0So, Fnet=0…

Q: A certain appliance draws 22 A across 25 V power source, how much will a spend if I use it for 8…

A:

Q: A ball with mass 0.2 kg is thrown upward with initial velocity 30 m/s from the roof of a building 90…

A: Given Mass of the ball, m=0.2kg Initial velocity, vi=30m/s Roof of the building high, h=90m Force…

Q: Give one example in each of the following cases where a force: (a) Stops a moving body (b) Moves a…

A: Interaction takes place between two object when the object is pushed or pulled by a means of force.…

Q: Only two forces act on an object (mass=4.19 kg), as the drawing. Find (a) the magnitude and (b) the…

A: The resultant of the two forces is given by parallelogram law, F=402+602+2×40×60×cos(45o)=92.7 N The…

Q: Problem 1: Assume that two variable forces F₁ and F2 are being applied to the following masses n₁…

A:

Q: A vehicle is running with a velocity of 5m/s. If the momentum of the vehicle is 5000 kg m/s, what is…

A:

Q: The angular acceleration of a flywheel decreases unifor o 3 rad per sec² in 6 sec at which time its…

A:

Q: A sphere of radius 0.25 m and a weight of 108 N is released with no initial velocity on the incline…

A:

Q: 7.27 A 0.60-kg book slides on a horizontal table. The kinetic friction force on the book has…

A:

Q: A concrete pillar is rectangular in shape ,3ft wide,3ft deep and 22ft. tall. The column weighs six…

A: We have a pillar of dimensions a=3 ft (Width), b=3 ft (Depth) and c=22 ft (Height) which has a…

Q: A simple electric circuit has a 24 V battery and a resistor of 6 ohms. What will be the current in…

A: Introduction :  In this question we are provided with value of voltage and resistance . With these…

Q: The moment of inertia of a cylinder of mass M and radius R is MR² when the axis of rotation passes…

A:

Q: A force of 5 N exerted on a small piston in a hydraulic press causes an output force of 500 N at the…

A: Force exerted on small piston (f) = 5 N Output force (F) = 500 N

Q: What force is necessary in order to change the velocity of a 2.00 kg object from -4.00 m/s to +3.00…

A: Given data : Initial velocity=U Final velocity=V Time=t Mass=m   Required : Force

Q: True or false: nuclear fission reactors produce electrical energy that is used to turn a turbine.…

A: Nuclear fission reactors produce electrical energy that is used to turn a turbine. True

Q: Shown in the figure is a 258-kg homogeneous cylinder that rolls without slipping on the horizontal…

A:

Q: True or false: in principle, the driving force of an electrical generator can be any source of…

A: We have been given the line "in principle, the driving force of an electrical generator can be any…

Q: what is the answer?

A:

Q: 4. Suppose a block of mass m slides over a surface with kinetic friction coef- ficient towards a…

A: a) change in mechanical energy  of the system = work done by non -conservative forces ∆M.E =…

Q: An object moves along a straight line with an acceleration of 2 m/s². If its initial speed is 10…

A: Write the given values with the suitable variables. a=2 m/s2u=10 m/st=2 s Here, a, u, and t are the…

Q: According to the World Energy Council, the average household in Mexico consumes about 1600 kWh of…

A: Dimension of solar panels=(1×1)  So area of solar panel=1 m^2 Annual solar energy potential of panel…

Q: A caulking gun has a nozzle opening that is 0.8 cm in diameter and a plunger that is 4.2 cm in…

A: Given information: The diameter of the nozzle (dn) = 0.8 cm = 0.008 m The diameter of the plunger…

Q: Calculate the magnitude of the normal force on a 17.7 kg block in the following circumstances.…

A: Given:- Mass = m = 17.7 kg Force = F = 165 N Angle = θ = 40.8°

Q: A car (m = 1630 kg) is parked on a road that rises 11° above the horizontal. What are the magnitudes…

A: The free-body diagram of the car on the inclined road surface is shown below. Here, N is the normal…

Q: Find speed Distance=60 m Time=3 s

A: Given data : Distance=d Time=t   Required : Speed

Q: Find momentum Mass=8 kg Velocity=0.03 m/s

A: Given Mass (m) = 8 kg  Velocity (v) = 0.03  m/s    Momentum is given as :- Momentum (P) = mv…

Q: How many turns has a thoroughly flat circular coil of wire, which has a diameter of 3.6 cm that…

A:

Q: g = 10 m/s2; r = 160 m; tangent of the angle = 1/4 (this corresponds to an angle of 14 degrees);…

A:

Q: A skier is gliding down a slope. Match the answers with questions based on the Figure 4.11. a h C d…

A:

Q: Design Layout References Mailings Review View Tell me what you want to do... Α Α΄ Aa ▾ 2 T AaBbCcI…

A: Given Launch angle (θ ) = 25° and 35°  For , θ  = 25°   sin25° =0.42  cos25° = 0.91  tan25° = 0.47

Q: A large electroscope is made with "leaves" that are 78-cm-long wires with tiny 24-g spheres at the…

A:

Q: An elevator cab that weighs 26.5 kN moves upward. What is the tension in the cable if the cab's…

A:

Q: A net force of 25 N produces an acceleration of 5 m/s² on a lab cart. Its mass is Select one: a. 30…

A: Given data:  Force (F) = 25 N Acceleration (a) = 5 m/s2 Required: Mass (m)

Q: A closed cylindrical container is filled with a fluid that has specific gravity of 1.9.What is the…

A: Write the given values with the suitable variables. sg=1.9h=23 m Here, sg and h are the specific…

Q: Solve the problem. PROVIDE THE GIVEN, REQUIRED, EQUATION, SOLUTION, AND FINAL ANSWER Ariana is…

A:

Q: If an object of radius 3 m that experiences a constant angular acceleration starting from rest,…

A:

Q: electron-hole pairs in a PN-junction of a solar cell form a current when light is shined on the…

A: When light shines on the surface of a p-n object, the electron vibrates the electron into a…

Q: Find momentum Mass=8 kg Velocity=0.03 m/s

A: Given data : Mass=m Velocity=V   Required : Momentum

Q: A quarterback passes a football from height h = 2.1 m above the field, with initial velocity v0 =…

A:

Q: Please answer in Essay Form. Write legibly. Thank you 3. A golf ball and a ping-pong ball are…

A: 3.  Mass of the ping ball and the golf ball different. Speed of the ball at a point half-way down…

Q: Calculate the Density of object of mass 22 kg which accupies space of 0.12 m³.

A: Introduction :  In this question we are provided with value of  mass and volume. with  these data we…

Q: What is the total pressure 4398m below the surface of the water

A:

Q: Calculate the force of gravity on a 1.2 x 10^5 kg space station at a distance of 3.5 x 10^5 m from…

A: given distance from surface of earth to space station h= 3.5 x 105 m mass of space station m = 1.2…

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!