A straight line sloping to the right means uniform acceleration in a A velocity- time graph B acceleration -time graph position- time graph D none of the choices

Q: A player kicks a football at an angle of 35° with the horizontal and with an initial velocity of 14....

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Q: If a rigid body is subject to planar motion in the xy-plane, then the angular momentum about the rig...

A: For a rigid body, the angular momentum (L) is the product of the moment of inertia and the angular v...

Q: 5 kg moving with a speed of 15 m/s to the right collides head-on with a st. If the collision is elas...

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Q: Two concentric spherical surfaces A and B are equipotential surfaces for a positive charge +q placed...

A: a) As the surfaces are equipotential, so they will not interact on +Q or the charges that will be in...

Q: What is the potential energy of a 5kg bowling ball that is held 8.9 meters above the ground

A: In this question we have to find the potential energy of the body. Please give positive feedback if ...

Q: A sphere having a diameter of 10 cm is completely submerged in water. What is the buoyant force on t...

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Q: -A bullet which has velocity 150 m/s and mass 4 kg sticks to the stationary block. They move togethe...

A: Given: Velocity of the bullet = 150 m/s Mass of bullet = 200 g 200×10-3 kg mass of stationary block ...

Q: Two progressive waves y1=Asin(2πλx−ωt)y1=Asin⁡(2πλx−ωt) and y2=Asin(2πλx−ωt−π2)y2=Asin⁡(2πλx−ωt−π2) ...

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Q: 1. What is the velocity of a motorcycle that is traveling 10 meters in 3.5 seconds? 2. A high school...

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Q: If an object is moving with constant acceleration, what is the shape of its velocity vs. time graph?...

A: Draw the acceleration vesus time graph if the object is moving with constant acceleration.

Q: Oppositely charged parallel plates are separated by 4.85 mm. A potential difference of 600 V exists ...

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Q: A rocket starting from rest rises vertically and accelerates at a constant rate of 13 m/s2 for 7 min...

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Q: A 6-m long ladder has a mass of 1Q kg, and its center of gravity is 2.4 m from the bottom along the ...

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Q: 5. Advantages of optical fibre communications over two wire transmission line or co-axial cable tran...

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Q: Use the waves lab to help you answer the question below. Answer Bank Identify areas of constructive ...

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Q: A 85 g iron bar (specific heat = 450J/kg C) at 100 °C is placed into 230 g of water at 15 °C. What w...

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Q: Displacement vector A is 4.5 km, north. Displacement vector B is 3.0 km, 50° north of w ne resultant...

A: We know that here given that The displacement vector A= 4.5 km in the north and then displacement ve...

Q: *A 40 kg girl skates at 3.5 m/s on ice toward her 65 kg friend who is standing still, with open arms...

A: Law of conservation of momentum :  It states that momentum neither created or destroy it will conser...

Q: A skydiver has 20853 J of kinetic energy while falling at terminal velocity. After opening the parac...

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Q: 21-22. The block shown in Figure below has mass of 7kg and lies on a fixed smooth frictionless plane...

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Q: Three resistors: R1 = 3 Ω, R2 = 6 Ω, and R3 = 9 Ω are connected in series to each other and to a 36 ...

A: Correct answer is option (B) i.e. I = 2 A

Q: Consider the symmetrically arranged charges in the figure, in which qa = 9b = -2.95 µC and qc = 9d =...

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Q: While waiting for her ride, Maria hears the siren of an ambulance approaching her at a speed of 30 m...

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Q: Determine the current and its direction, in each resistor, for the circuit shown betow. Show your ca...

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Q: *A ball of mass 0.34 kg moving with a speed of 2.7 m/s to the right collides head on with a 0.24 kg ...

A: As the collision is completely elastic, the momentum as well as the kinetic energy of the system are...

Q: A machine does 2500 J of work in 1 min. What is the power developed by the machine? 21 Wa...

A: Write the expression for the power. Here, E represents the energy and t represents the time.

Q: A volleyball is thrown with an initial velocity of 30 m/s at an angle of 40 degrees above the horizo...

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Q: Two skaters are standing on ice facing each other, Skater 1 pushes on skater 2 with a force of 75 N ...

A: Given: The mass of the first skater is 56 kg. The mass of the second skater is 71 kg. The applied fo...

Q: 5. A Ferris wheel of radius 12m is turning about a horizontal axis through its center, such that the...

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Q: Two cars, A and B, are travelling in the same direction, although car A is 182 m behind car B. The s...

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Q: Consider a line charge of infinite extent in the Z direction with charge density λ =λ0/(1 + ( Z/a)2)...

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Q: Substance L melts at-7°C and is a brown liquid at room temperature. Which temperature is the boiling...

A: With the given limited info, we need to consider general facts and compare it to the known materials...

Q: In a two-dimensional tug-of-war, Alex, Betty, and Charles pull horizontally on an automobile tire at...

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Q: Two large charged plates of charge density +45µC/m² face each other at a separation of 7 mm. Choose ...

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Q: 5: The terminals of a battery have a potential difference of 16 V, with the positive terminal having...

A: Please note : As per answering guidelines I can answer the first question only. Since, this is not a...

Q: A 20 kg roller-coaster car is moving at 25.1 m/s along a straight horizontal track. What will its ki...

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Q: >>The band gap of Germanium is 7.32eV at room temperature. Find the maximum wavelength of excitation...

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Q: Abox is moved using 200 N of force over a distance of 15 m. If the box is moved in 1.4 seconds, how ...

A: Power is equal to the rate of work done with respect to time.So if W amount of work is done within t...

Q: This refers to the average power a wave is carrying through a given area. a. intensity b. loud...

A: Let the power = P Let the intensity = I let the area = A   

Q: If a stone dropped from a balloon while ascending at the rate of 7.60 m/s., reaches the ground in 6 ...

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Q: 3. A bag of cement of weight 325 N hangs from three wires as suggested in the figure. Two of the wir...

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Q: . Cart A of mass 0.75 kg moves to the right at a speed of 5 m/s. Cart B of mass 1.5 kg is at rest. T...

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Q: This force-couple system is to be replaced by an equivalent system consisting of the following: a co...

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Q: This refers to the richness of sound of a string composed of sound waves having the fundamental freq...

A: Answer:- (c) wave interaction    The richness of sound of a string composed of sound waves having th...

Q: The circuit in the figure below has been connected for a long time. Let R, = 7.00 N and R2 = 4.60 n....

A: let current in left side of capacitor be i1 and on the right side be i2. We have 10 = 1+R2i1= R2+2i2...

Q: identical light bulbs are connected to two power supplies, ε1 = 40 V, and ε2 = 80 V. Each light bulb...

A: Equivalent resistance in series  R = R1 + R2  Equivalent resistance in parallel  1/R = 1/R1 + 1/R2 

Q: The bottom of a heavy ble sandpaper. The block is repeatedly slid 1.0 met at constant speed across a...

A: 33)  Given:- A stone is dropped in the air from a height of 50 meters above the ground. As the ston...

Q: 27 S2 ww 42 2 ww 11 2 ww 25 V 20 2 ww Find its equivalent resistance. Answer in units of 2.

A: given circuit as shown in figure

Q: 3. Four wooden members are joined with metal plate connectors and are in static equilibrium (not mov...

A: Given: FA=2.5KNFB=2.1KN

Q: Suppose that a wire leads into another, thinner wire of the same material that has only half the cro...

A: GivenArea of Thin wire is half to the area of thick wireAthin=12AthickElectric field in thick wire, ...

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –