#2: While you are sitting on a chair at the edge of a 1.2 m deep swimming pool, your eyes are 1.5m above the surface of the water. You see a quarter on the bottom of the pool at a 45° angle below the horizontal. A) draw a sketch of the situation with appropriate labels B) What is the horizontal distance between you and the quarter?

Q: The pendulum in the figure consists of a uniform disk with radius r = 14.0 cm and mass 860 g…

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Q: A car that has a mass of 1120 kg and a velocity of 12 m/s , find the momentum ?

A: Given data:  Mass (m) = 1120 kg Velocity (v) = 12 m/s Required: The momentum (P)

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A: Introduction :- Here in the given four combinations, we have to find the combination for which…

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A: The observed frequency (fo) can be found using the Doppler effect formula, fo=fsv+v0v+vs fs is the…

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Q: If you are running 10km/h, how far will you run after 2 hrs?

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Q: 20g of 60 degrees C water is mized with 100 g of 25 degrees C water. waht is the final temperature…

A: Given data:  m1 = 20 g at T1 = 60°C m2 = 100 g at T2 = 25°C Required:  The final temperature (T)

Q: Find the value of work done is 220 J and displacement is 36 m. Find the force applied ?

A: Given data :        Work done    =   W      Displacement    =    d         To find :…

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A: the largest wavelength of the reflected light that is totally removed by the coating is 622nm

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A: Given data-      Dimetrodon speed (u)= 1.9 m/s     distance travelled (d) = 2500 meter Explanation…

Q: Which of the following correctly describes power?     force measured on an ergometer multiplied by…

A: Required:  The power formula and defination

Q: In a double-slit interference experiment, the wavelength is a = 542 nm, the slit separation is d =…

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Q: Problem 1: A wheel that is 34.0 cm in diameter rotates through an angle of 13.8 rad as it slows down…

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Q: Two planets (m1 = 3.4 x 10^30, m2 = 2.6 x 10^26) are 4.4 x 10^8 apart. Calculate the force of…

A: Write the given values with the suitable variables. m1=3.4×1030 kgm2=2.6×1026 kgr=4.4×108 m Here, r…

Q: Car A is moving with a constant velocity 6.23 m/s while Car B starts from rest and accelerates with…

A: Given: The speed of car A is 6.23 m/s. The initial speed of car B is 0 m/s. The acceleration of car…

Q: etermine the gravitational potential energy of a 61.2kg person standing on the roof of a ten-story…

A: Given:-  The mass of the person m = 61.2kg  a person standing on the roof of a ten-story building…

Q: PA Pc.

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Q: A 520.gram block of ice is at -28.0°C . What is the final temperature, how much ice is there, and…

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Q: 7.0 kg D. 8.0 kg 4.0 kg V2

A: Momentum of a particle of mass m moving with velocity v is given by    P = mv

Q: The slope of the tangent line at a point in a position versus time graph is equivalent to the O…

A: We are taking slope in a position vs time graph.

Q: A sample of ideal gas is allowed to expand isobarically from 1.74m³ to 3.26m3. Its initial…

A:

Q: 1. If all parts of a light beam have a constant phase relationship, with the same wavelength and…

A: 1. if all part of a light beam have a constant phase relationship, with the same wavelength and…

Q: An automobile engine takes in 3,000 J of heat and performs 1,400 J of mechanical work in each cycle.…

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Q: A flat sheet is in the shape of a rectangle with sides of lengths 0.400 m and 0.600 m. The sheet is…

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Q: a) What effect does increasing the mass on the end of a string have on the period of a pendulum?…

A: Consider m is the mass, k is the spring constant, and l is the length of the simple pendulum.

Q: Speakers A and B are emitting sound wave in phase with the same wavelength 175 Hz. Speaker A is a…

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Q: A 5.0 kg cart initially at rest is on a smooth horizontal su A net horizontal force of 15 N acts on…

A: Given:-  The mass of the cart m = 5 kg  the initial velocity of the cart u =0  The net horizontal…

Q: ОВJЕСT О IMAGE I 3. Vhat type of mirror is this? А. parabolic В. convex С. plane D. concave

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Q: A web page designer creates an animation in which a dot on a computer screen has position ř = [4.0…

A: A web page designer creates an animation in which a dot on a computer screen has position.

Q: Two 2.4 g point charges on 1.0-m-long threads repel each other after being equally charged, as shown…

A: Given:-  The mass of the point charge is m = 4 g  The length of the threads L = 1.0 m  We have given…

Q: Mass of a body is 8 kg, What is it's weight ?

A: Given data:  Mass (m) = 8 kg Required: Weight (W)

Q: Select all the contact forces. Applied Gravitational Magnetic Electrical Frictional Air resistance…

A: Select all the contact forces

Q: Compare the forces the water exerts on the bottoms of the tanks. Is FAFA larger than, smaller than,…

A: Pressure is defined as force/area. If an enclosed area has higher pressure than the area around it,…

Q: nd th wn in

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Q: tion F(x) = ax2 - bx, where a = 65 N/m2, b = 18 N/m, and the positive x direction is in the…

A: GivenF(x)=ax2-bxwherea=65 N/m2b=18 N/m

Q: A 55.0 kg boy runs at a speed of 16.0m/s and jumps onto a cart that is initially at rest. The boy…

A: Data  we have  Mass of the boy, M1=55.0kg speed of the boy, V1 =16.0m/s Speed of the car at rest,…

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A: Photoelectric effect is the phenomenon in which photoelectrons are released from a material surface…

Q: The normal force is always perpendicular to the surface. True False

A: As per Newton's third law, for every action force, there is a reaction force.

Q: Part A n (Figure 1), the electric potential at point A is -300 V. What is the potential at point B,…

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Q: A car that has a mass of 1120 kg and a velocity of 12 m/s , find the momentum ?

A: Given data :            Velocity   =   v             Mass       =   m          To find :…

Q: Action-reaction forces are equal in magnitude and are pointing in the same direction. True O False

A: Required:  The magnitude and direction of action-reaction forces

Q: A 2.0-cm-tall object is placed in front of a mirror. A 1.0-cm-tall upright image is formed behind…

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Q: 5. In the figure shown, the 0.3-m by 0.3-m square plate is 5-mm thick. It had a triangular notch…

A: We have to find gyradius in y-axis

Q: 2. The length and width of a room were found to be 12.50 ± 0.01 m and 9.63 ± 0.0.1 m. Find the…

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Q: Q.2 Put the word (True) or the word (False) of the flowing expressions; True False 1. A partical is…

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Q: A vector, V, has a magnitude of 3.60m and points at an angle of 27.0° to the left of the y- axis.…

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Q: Inertia is the tendency of an object to support change in its velocity. True False

A: Given:-  Inertia is the tendency of an object to support a change in its velocity. Find:-  This…

Q: The diagram below shows a circuit with two resistors. 8.0 2 8.0 2 12-volt source A What is the…

A: Given data:  Two resistors are connected series combination R1 = R2 = 8.0 Ω Battery voltage (V) = 12…

Q: A beam of length L and mass M rests on two pivots. The first pivot is at the left end, taken as the…

A:

Nature of light

Light is transverse and electromagnetic radiation that exhibits the properties of a wave as well as a particle. For this reason, light is said to have a “dual nature.”