The reflecting surfaces of three mirrors form vertices with angles of 170° and 129°, as shown in the figure below. A ray of light strikes mirror 1 with an angle of 18.0° with the surface of mirror 1. Find the angle of reflection 03r when the ray leaves mirror 3.

Q: Suppose that 4 J of work is needed to stretch a spring from its natural length of 26 cm to a length…

A: The natural length of a spring is 26cm.The work is(W)1= 4J is required to change the length of the…

Q: By what percent has the cubic term increased the work over what would be needed to compress an ideal…

A: Write the expression for the ideal spring work and substitute the corresponding values.

Q: A weight lifter raises a 1067 N weight a vertical distance of 1.80 m in a time interval of 2.20 s.…

A: The work done is guven by ,W= Force × displacement in the direction of force .

Q: A solid cone with height 9 m and base with radius 2.7 m is built using a lightweight material whose…

A:

Q: Find the displacement Work done=0.88 J Force=0.2 N

A: Here , Work done (W) = 0.88 J  Force (F) = 0.2 N

Q: Find the work done by a person weighing 160 lb walking exactly one revolution(s) up a circular,…

A: A person of weight F=160 lb is walking up a spiral staircase of radius r=4 ft and he rises up to a…

Q: 30.0 m

A: Given:mass, m = 75 kg

Q: The engines in high-end sports cars deliver a lot of power. For instance, a certain car of mass…

A: Given in question:  mass of the car (m) = 2058 Kg the initial speed of the car (u) = 0 m/s the final…

Q: e change in the potential energy of

A: mass of the crate = 69.0 kggravitational acceleration ≈ 9.81 m/s² (assuming Earth's surface)change…

Q: se 3: Class - Da Paco rode his skateboard up a ramp for a distance of 3.8 meters. If the ideal…

A: The first question is asking for the height above the ground that Paco reached when he rode his…

Q: Suppose the ski patrol lowers a rescue sled and victim, having a total mass of 80.0 kg down a 60°…

A:

Q: There is a Cathedral-of-Learning race in Pittsburgh in which participants run up and down the steps…

A:

Q: A system having a mass of 50 kg is raised to a height of 50 m. If the system is raised to its final…

A: mass (m) = 50 kg height (h) = 50 m time taken (t) = 2 minutes = 120 seconds

Q: 2. A fixed pulley is driven by a 100 kg mass falling at a rate of 8.0 m in 4.0 s. It lifts a load of…

A: Write the given values with the suitable variables. M=100 kgh=8 mt=4 sm=75 kg Here, M, h, t, and m…

Q: Compute and provide solution 1. A 23.2 kg boy fell 0.900 m out of the bed. Hom much potential…

A: Given, Mass = 23.2 kg Height = 0.900 m

Q: A weight lifter raises a 1093 N weight a vertical distance of 1.80 m in a time interval of 1.95 s.…

A:

Q: 2. 1. Draw a picture to represent the problem. Show all work. You are left without a car after a…

A:

Q: Find the displacement Work done=0.8 J Force=0.4 N

A: Write the given values with the suitable variables. W=0.8 JF=0.4 N Here, W is the work done and F is…

Q: How do you conduct an experiment that determines the efficiency of an inclined plane?

A: As per the answering guidelines, we will be answering the first question only. Kindly post the…

Q: Find the value of displacement Work done=111 J Force=12.55 N

A: Given data The work done is given as W = 111 J. The force is given as F = 12.55 N.

Q: allison exerts a force of 186 N on a lever to raise a 2.70 x 10^3 N object to a height of 29.0 cm.…

A: Given Effort = E = 186 N Load = L = 2.70 × 103 N = 2700 N Rise of object height = ho = 29.0 cm…

Q: Find the displacement Work done=12.002 J Force=5 N

A: Required : The displacement.

Q: Question 7.Using the following illustrations calculate the required power under the following…

A: GIVEN DATA : MASS OF THE BLOCK , m = 65 kg                            INCLINATION ANGLE OF THE PLANE…

Q: A 20 meter long ramp is used to move a box weighing 1200N  into a truck that is 5 meters off the…

A: (given) Weight of box = 1200 N Height = 5 m Applied force = 390 N Length of ramp = 20 m Efficiency…

Q: What distance can a crane lift a 55.0 N box, if it expends work of 2.00 x 104 Joules?

A: given ;    force, F = 55.0 N , work done = 2.00 x 104  Joules  formula used;     W = F x d   where,…

Q: What mechanical work must you do to lift a uniform log that is 2.5 m long and has a mass of 140 kg…

A:

Q: Find max e.

A: Torque acting downwards is given by ,τd=W×L2×cos(θ) Torque acting upwards is given by ,τu=N×L×sin(θ)…

Q: An elevator engine lifts a total load of 3,659 N weight with constant speed of 2.8 m/s. What is the…

A: Given data:   Total load of elevator (F) = 3659 N Constant Speed (v) = 2.8 m/s Required: The power…

Q: For example, if an object of mass 'm' falls down from a height 'h', it's gravitational potential…

A:

Q: Consider two different examples of the dot product between vectors, a force and a displacement 4,.…

A:

Q: A weight lifter raises a 1055 N weight a vertical distance of 1.80 m in a time interval of 1.85 s…

A:

Q: A 50 kg force exerted over a distance of 3.0 m causes an object having a mass of 20 kg to move 1.0…

A: Given  This is a question regarding the different mechanical advantages of a system. The initial…