A rocket-powered sled moves along a track, eventually reaching a top speed of 203 m/s to the east. It then begins to slow down, reaching a complete stop after slowing down for 1.02 s. What was the sled s average acceleration and velocity during the slowdown phase?

Q: Three point masses are placed at the corners of a triangle as shown in the figure below. Find the c...

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Q: A frog is sitting on a lily pad when it sees a delicious fly. He darts out his tongue at a speed of ...

A: Given : v1f = 5.20 m/s m1 = 0.410 g = 0.41 × 10-3 kg m2 = 12.5 g = 12.5 × 10-3 kg v1i = v2i = 0 (bec...

Q: An object moves from position (3,4) to (6,5) in the plane. Find the magnitude and direction of displ...

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Q: In the figure the ideal battery has emf 8 = 43 V, the resistances are R1 = 51 kN and R2 = 44 k2, and...

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Q: The vectors from the origin to the points A, B, and C are i + j, 3i + k, and 4i – 3j – 4k, respectiv...

A: We first find the vectors of the sides AB, BC and CA. Then find if any two vectors are perpendicular...

Q: In the figure R1 = R2 = 10.25 Q, and the ideal battery has emf % = 12.01 V. (a) What value of R3 max...

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Q: A particle moves in a straight line in such a way that the a=-w²x when its displacement from a fixed...

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Q: 5. Vector A S has a magnitude of 35.0 units and points in the direction 325° counterclockwise from t...

A: Given : |A| = 35 units θ = 325° counterclockwise from the positive x axis

Q: 0 seconds to get to your next class on time and that classroom is 472 m east of where you are right ...

A: We know that the velocity relation with the time and distance is given as  velocity = Distance Time ...

Q: What is the difference between an overtone and a harmonic? Are all harmonics overtones? Are all over...

A: Harmonics are integral multiples of the fundamental frequency. If fundamental frequency be f then ha...

Q: A 4 kg block is sliding down a vertical wall while being pushed by an external force as shown in the...

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Q: a. If a charge of magnitude 6.5 x 10"C is being held in place 2 x 10° m from a charge of -8 x 101 C ...

A: The electric potential energy between two charge is define as                              U  = 14π ...

Q: What is ideal gas equation?

A: Ques: What is ideal gas equation?

Q: Part A A cannon tilted up at a 29.0 ° angle fires a cannon ball at 68.0 m/s from atop a 10.0 m-high ...

A: initial KE =12mu2 initial PE = mgh

Q: Two spheres of mass m and a third sphere of mass M form an equilateral triangle, and a fourth sphere...

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Q: A 78 – kg person has an apparent mass of 54 kg (because of buoyancy) when standing in water that com...

A: Given, Actual mass of a person, m = 78 kg apparent mass of a person, m = 54 kg density of the body, ...

Q: A body having a net charge of 30C is placed in a uniform electric field of 800 N/C directed vertical...

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Q: An object moves from position (3,4) to (6,5) in the plane. Find the magnitude and direction of displ...

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Q: om rest. It covers the 0.300 m distance towards a TV screen in 36.5 ns. What is the magnitude of the...

A: We know that the formula of the velocity in terms of the time is given as  v= dt where d is the disp...

Q: (1) If a after the lightning is seen, how far js the ightning from the man ? (Speed of sound in air ...

A: Given data :               Speed  of sound  =  s               Time  =  t               To find :   ...

Q: If the photons falling on the surface of a metal are 8 ev and the energy of the emitted electron is ...

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Q: A large capacitance of 1.63 mF is needed for a certain application. (a) Calculate the area the paral...

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Q: Suppose a sled passenger with total mass 57 kg is pushed 20 m across the snow (?k = 0.20) at constan...

A: Given that:m=57 kgs=20 mθ=34°μk=0.20 Let the applied force is F.

Q: How much work is done by a force of 12 N in moving an object through a distance of 9 m in the direct...

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Q: 1. One morning, Connie walks from her house to go to a store that is 500 ft, S 40° W from her house....

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Q: An electron is released from rest in a uniform electric field. The electron accelerates vertically u...

A: Yes. We can ignore the effects of gravity here. Given: Distance travelled by the electron, d = 4.5m ...

Q: 3. An electron has a kinetic energy of 3.5 × 10-19 J. What is this energy in electron volts?

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: the centre of the earth, if it weighed 100 N on the surface? mass density, how much would a body wei...

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Q: 4. A laser emits red light with an average wavelength of 0.000 061 cm. In scientific notation this w...

A: wavelength of red light = 0.000061 cm   

Q: The electric potential 45.5 cm from a point charge of 12.5 nC is:______v

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Q: hree 560 Ω resistors are wired in parallel with a 75 V battery. What is the current through each of ...

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Q: Practice What is the direction of magnetic force acting on a positively charged particle moving to t...

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Q: Four capacitors are connected as shown in Figure 2.27A. If all have the same capacitance (C, = C2 = ...

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Q: True or False? As mass of a substance increases, the density increases? Explain.

A: True Reason According to the statement if mass of the object increases then its density increases. T...

Q: 5. Explain the theory of electron diffraction in solids, and then calculate the De Broglie and Bragg...

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Q: A simple and common technique for accelerating electrons is shown in the figure below, where a unifo...

A: We have givenElectric field strength, E=2.33×104 N/C

Q: What is the raot-mean- Square Speed in mis of gas Molecules with Molar molecular welght 33 gmỗl at a...

A: The answer is below

Q: A material is having Poisson's ratio 0.2. A loac applied on it due to which it suffers the longitudi...

A: Here,  we calculate the given as follow;

Q: Use arrows to represent the electric fields at points A, B, and C due to Q1 and Q2. Then apply the p...

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Q: Water envelope (exaggerated) - Tidal bulge Tidal bulge A O Full moon New moon 7.0 6.0 5.0 4.0 3.0 MS...

A: from the graph, the peak of high tide is minumum at around 9.5 days and the amplitude increases on b...

Q: Violet light has a wavelength of 425 nm. What is the frequency of this light? speed of light = 3 x ...

A: wavelength of violet light is 425 nm. 1 nm = 1 x 10-9 m  speed of light = 3 x 108 m/s  

Q: What is the frequency of light that allows an electron to be released from a metal that has a work f...

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: string that passes over a frictionless pulley a 5. Two packing crates of masses m, = 10 0 ko and ma ...

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Q: You have two single tum circular loops of wire oriented such that they have a common center and the ...

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Q: A 7-L tank at 24°C contains 16.72 x 104 kg of element 4 listed in the table below. Calculate the tan...

A: GivenVolume of tank , V=7 LTemperature,T=24°CMass , m=16.72×10-4 kg

Q: 1. Three blocks of masses 1.0, 2.0, and 4.0 kg are connected by two massless strings, one of which p...

A: GivenThree blocks of masses 1.0 kg, 2.0 kg, and 4.0 kg are connected by two massless strings

Q: Electron and proton are placed at two different locations (one charge at each location). The locatio...

A: Electric potential is potential energy per unit positive charge.

Q: The main characteristic of telescopes that defines how much light they can gather is the size of the...

A: A telescope is an optical device used to see distinct objects. 

Q: Jane is sitting on a chair with her lower leg at a 30.0° angle with respect to the vertical, as show...

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Q: How does a capacitor stores charge explain it?

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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 –