A car travels 240 km in 6 hours. Find the average speed of the car in km/h?

Q: A scalloped hammerhead shark swims at a steady speed of 1.8 m/s with its 90-cm-wide head…

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Q: Astrology, that unlikely and vague pseudoscience, makes much of the position of the planets at the…

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Q: A yo-yo-shaped device mounted on a frictionless rotation axis is used to lift a 30 kg box. The outer…

A: Dear student The relation between torque, angular acceleration, and moment of inertia is given by:…

Q: Figure 3 shows the vector diagram for the three forces acting on each ball in equilibrium. They are;…

A: Given:mass of a ball, m = 6×10−6 kglength of the string attached to 1 ball, L = 0.23 mminimum…

Q: What is the king energy at the bottom of the ramp? 50 J 30 J 20 J 80 J KE=30J PE=20J KE = ? PE=?…

A: Given: The kinetic energy at a given point is 30 J. The potential energy at a given point is 20 J.

Q: Consider the following circuit 402 ww +1.5V 60 ww +3V 302 ww Calculate the current in the left loop,…

A: Emf of cell in left loop is V1 = 1.5 V  Emf of cell in the right loop is V2 = 3 V

Q: A man weighing 800 Newtons is standing in an elevator. If the elevator rises with an acceleration of…

A: Weight of person , W = 800 N  Acceleration of elevator , a = 0.5 m/s2  Mass of person , m = W/g  g…

Q: Bob, whose mass is 60 kg, is in an elevator going up at 3.5 m/s. The elevator takes 2.2 s to slow…

A: Given: The mass of the Bob is 60 kg. The initial velocity is 3.5 m/s uward. The final velocity is 0…

Q: A small fan in a closed insulated room releases heat at the rate of 42 watts and pushes the air at…

A: Given data :- Fan releases heat at rate QF=42 W Heater produces heat at rate QH=0.30 kj/sec = 300 W…

Q: An athlete swings a 6.90-kg ball horizontally on the end of a rope. The ball moves in a circle of…

A: Given: The mass of the ball is 6.9 kg. The radius of the circular path is 0.67 m. The angular speed…

Q: Problem 1: In a double-slit experiment, the distance between slits is 5.0 mm and the slits are 1.0 m…

A: The y-coordinate on the screen for which a bright fringe is produced due to the interference is…

Q: Mention what is the speed of light in space?

A: The speed/velocity of light is different in different media. Light is an electromagnetic radiation.…

Q: Solve and show the solutions by I. Analytical Method - using Lens/Mirror Equation and II. by…

A: Image formation by convex lens

Q: 1. Consider three protons (each with a charge of +lel) positioned on the three corners of a square…

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Q: 2. Which vector best represents the direction of the electric field at the fourth corner of the…

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Q: kid runs towards the edge of a merry-go-round that is not rotating and jumps on. The merry-go-round…

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Q: Find the vectors that satisfy the stated conditions. NOTE: Enter the exact answers using the…

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Q: A sample of blood plasma occupies 0.599 L at 0°C and 1.03 bar, and is compressed isothermally by…

A: Given  Vi=0.559 L external pressure (Pext)=95.2 bar Compression =0.57% Required work done

Q: Consider the network of capacitors seen in the picture. What is the stored charge Q₁ and voltage V₁…

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Q: 1. Consider three protons (each with a charge of +lel) positioned on the three corners of a square…

A: This question is based on the Electrostatic Potential Energy topic. The Electrostatic potential…

Q: A man standing on a scale in an elevator notices that the scale reads 40 newtons greater than his…

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Q: A 40 kg child is sitting along the rim of a merry go round that is rotating at 0.35 revolutions per…

A: mass of child (m) = 40 kg angular velocity = 0.35 revolutions per second mass of merry go round (M)…

Q: A 84 kg janitor wearing running shoes is running across an ice rink at a speed of 6.3 m/s. They try…

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Q: with v/3 QUESTION 19 A 3.2 kg box slides on a horizontal frictionless table and collides with…

A: Collision of two particle. angular velocity concept

Q: A current of 0.6 A flows through a resistor with a voltage difference of 120 V across it. What is…

A: Given Current(I) = 0.6 A Voltage difference (V) = 120 V Resistance (R) = ? We know ohms law ,  V = I…

Q: Can you name the three different processes that are used to make magnets?

A: A magnet is a material or object that produces a magnetic field. It is a substance that attracts…

Q: student is asked to determine the resistance R of a resistor. The student is provided with the…

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Q: How are insulators different from conductors such that electric fields CAN exist inside insulators…

A: Question:) How are insulators different from conductors such that electric fields CAN exist inside…

Q: A vehicle was traveling 30 mph on a 35 meter diameter roundabout. As soon as he passes the…

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Q: A car travels 240 km in 6 hours. Find the average km/h? speed of the car in

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Q: A level circular curving exit off of a freeway (or highway) has a radius of 55.0 m and a posted…

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Q: Five resistors are connected as shown in the diagram. The potential difference between points A and…

A: Note: As per criterion of Bartleby, only three parts (a), (b) and (c) would be solved here.…

Q: 7. A 22-KQ resistor having a tolerance of 10% has failed. You have on hand five resistors, valued at…

A: in this question  we connect resistance in parallel  then get resultant  by that equation. p

Q: In the given wave function below, what is the maximum speed of a particle of the medium? y(x,t) =…

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Q: A powerful motorcycle can accelerate from rest to 23.8 m/s (53 mi/h) in only 2.90 s. (For each…

A: Given data:  Initial velocity (u) = 0 m/s Final velocity (v) = 23.8 m/s Time (t) = 2.90 s Required:…

Q: +2Q 7. Two identical conducting spheres are charged to +2Q and -Q, respectively, and are separated…

A: Given data: Charge on the first sphere, q1=+2Q Charge on the second sphere, q2=-Q Distance between…

Q: The figure below shows part of a vibrating string and its wave function. The wave is moving in the…

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Q: A 25 N block is being pushed up on a plane inclined at an angle of 30° with the horizontal by a 46 N…

A: Disclaimer: “Since you have asked posted a question with multiple sub-parts, we will solve the first…

Q: If gear A is rotating with a clockwise angular velocity of wA = 32 rad/s, find the time, t, in…

A: Given:- wA= 3t2 rad/s rA= radius of A = 3 in rB= radius of B = 18 in r' = radius of the inner disc…

Q: A harp string supports a wave with a wavelength of 2.3 m and a frequency of 220.0 Hz. Calculate its…

A: Given data,        Frequency  =  f        Wavelength  =  λ        Required,              Wave speed…

Q: A slit 1.00 mm wide is illuminated by light of wavelength 589 nm. We see a diffraction pattern on a…

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Q: 1. Consider an air-filled, parallel-plate capacitor with a plate spacing of d and an plate its area…

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Q: Please draw an FBD for the following statements    1. A textbook sits at rest atop a table. What…

A: in this question  we draw free body diagram of different  situation.

Q: Are all forces the same?

A: Basically  force are classified into types Contact force: results at the interaction of two object…

Q: Calculate the final velocity of block U

A: Given:- Ms= 0.5Mp Mu= 0.5Ms Vp(i)= 4 m/s

Q: What is science

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Q: You make a capacitor by cutting the 15.5-cm-diameter bottoms out of two aluminum pie plates,…

A: Given Diameter of the plates is d=15.5 cm=15.5×10-2 m Separation between the two plates is d=3.75…

Q: A 80 kg skydiver is free falling at a constant velocity of 19 m/s. What is the net (total) force…

A: Given,  Mass of skydiver = 80 kg Velocity of skydiver = 19 m/s

Q: Calculate the total displacement if a toy car starts at 0, moves 5 cm to the left, then 8 cm to the…

A: Given : A toy car starts at 0 , moves 5 cm to the left, then 8 cm to the right and then 3 cm to the…

Q: Tripling both the tension in a guitar string and its mass per unit length will result in changing…

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Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.