Which of the following is a position graph for someone walking with an initial negative speed and a positive acceleration

Q: Find A + B + C for vectors shown below. A = 5m, 90° B = 12m, 0° C = 20m, -35°

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Q: the following equations was given by (a) = 1/2mv² = 1/2mv0² + √mgh

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Q: A Deadly Virus. On your flight out of South America your cargo plane emergency-lands on a deserted…

A: Given:  Vertical acceleration = 7.2 g Horizontal initial speed  = u = 150 mph Horizontal stopping…

Q: A car travels 21 miles in 20 minutes. a. How many hours did the car spend traveling? b. What was the…

A: given-         Distance of travel =21 miles         Time taken = 20 min   a)   time taken by car in…

Q: Five balls are all at the same height near the surface of Earth. One is dropped from rest but the…

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Q: Billy is running away from a Wells Fargo bank at a speed of 13 kilometers per hour (units are km/h).…

A: Given data:  Speed (v) = 13 km/h Distance (d) = 1.9 km Required: Time (t)

Q: 1. Using graphical methods only (no calculus, no table of values), derive kinematic equation (3)…

A: Given data:  Kinematic equations of motion for constant acceleration are: a(t)=a0…

Q: 5. Equilibrium - Problem 1 In the figure below, suppose the length L of the uniform bar is 3.00 m…

A: Given: The length of the bar is 3 m. The weight of the bar is 200 N. The weight of the block is 300…

Q: N2 gas in a container is contracted by one third of the original volume to a total of 12 dm3…

A: Given data: Process is isothermal in nature. Initial Pressure of N2 (P1)= ? Final Pressure of N2…

Q: What is the reading from the following dial caliper? 5678921234 80 -70 90 60 001 50 40 20 30

A: The solution of this question has been solved below...

Q: A 1.00-kg chair hangs from a spring that is attached at the other end to the ceiling. When a 4.00-kg…

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Q: 1. Complete the following table. RC 100kn 1 μF 10kΩ 10 μF Time Constant (t) Computed (5t) Computed…

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Q: Why the roller coaster loops are tightly curved at the top. Explain with proper reasoning.

A: The definition of a force is a specific kind of push or pull that is provided to a body and allows…

Q: piece of copper wire has a resistance of 1.5Ω. Solve for the resistance of the manganin wire of…

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Q: A placekicker is about to kick a field goal. The ball is 27.5 m from the goalpost. The ball is…

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Q: 6. A frictionless cart sits on a ramp that is tilted down at an angle of 30.0° from horizontal. The…

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Q: A cross-country skier is skiing along at a zippy 8.0 m/s. She stops pushing and simply glides along,…

A: Given,      Initial speed of skier (u) = 8.0 m/s   (let 'u' as initial velocity)      Final velocity…

Q: A car drives at 25 m/s and speeds up to 30 m/s in 2 s. What is the acceleration of the car? +12.5…

A: We know Final Velocity (v) = Initial velocity (u) + Acceleration (a) * Time (t). This formula can be…

Q: A proton is initially at rest. After some time, a uniform electric field is turned on and the proton…

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Q: Two forces lying in the x-y plane are defined by their magnitudes and direction angles, as shown in…

A: torque about a given point of a force is r→xF→ where r is the position vector of the point of action…

Q: What is the magnitude of the force a +30 μC charge exerts on a +2.9 mC charge 48 cmcm away? Express…

A: Given data:  Two charges q1 = +30 μC and q2 = +2.9 mC Distance between charges (r) = 48 cm Required:…

Q: A motor winds the rope in B with a constant acceleration as. Because of the pulley system, the mass…

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Q: 9) (ex) Two vectors A and B are shown in the figure. After you first determine the components of…

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Q: Create and complete a table with your answers for the runner. A runner has an  initial velocity of…

A: Given:-  The initial velocity of the runner is u = 3.5 m/s from time t=0 to t=5sec From t=5 to t=10,…

Q: Exercise 5: Consider the displacement vector à = (31 +31) m, B = (Î – 5ĵ) m, and Ċ = (-i + 4ĵ) m.…

A: Given:-   The displacement vector A→=3i^+3j^ m   B→=i^-5j^ m  C→=-i^+4j^ m  Find:- a )   D→=…

Q: Number of molecules in 8.467x10-2 mol C6H6. nificant

A: no of molecules =no of moles of substance(Na)where Na is 6.023x1023 thus,no of…

Q: 5. In a computer simulation, the position of a bird is programmed to be * = {(5.0 cm) + (1.8…

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Q: Consider two vectors: A = 31-jand B = -21-4j calculate A + 2B, A- B, magnitude of à + 2B, and…

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Q: A sealed and insulated piston-cylinder assembly is used to compress an ideal gas. As you compress…

A: Given A sealed and insulated piston-cylinder assembly is used to compress an ideal gas. Since its…

Q: A = 35 m, -45° B= 70 m, 35° South of West C = 30 m, 25°, North of East Using the given vectors,…

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Q: I X

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Q: Find the angles that vector D⃗ =(2.0iˆ−4.0jˆ+kˆ)mD→=(2.0i^−4.0j^+k^)m makes with the x-, y-, and z-…

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Q: Consider the Conservation of Energy Equation: V² dE aq aw dt Ət Ət dmin + dt hin + [kJ-s] [kg-m²/s…

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Q: The speed of a nerve impulse in the human body is about 100 m/s. Estimate the time it takes the…

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Q: Vector has an initial point (-6, -4) and a terminal point (-2,-1).

A: vector is given between two initial points (-6,-4) and (-2,-1)  and we need to find the magnitude of…

Q: A mass m is attached to a spring with spring constant k, as shown in the figure below. 0.2 m The…

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Q: Steiner’s theorem and gyration radius. A metal tank wheel in the shape of a disc of radius R is…

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Q: Figure Q18.7 d 0 +

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Q: 4. How do two objects with like charges interact? What is the evidence from your investigations?

A: Required How do two objects with like charge interact.

Q: Four identical metallic spheres with charges of +1.4 μC, +1.8 μC, -5.8 μC, and -5.2 μC are placed on…

A: We know from concept of distribution of charge When two charged objects get into contact, charge is…

Q: a) What equal charges would have to be placed on Earth and on the Moon to neutralize their…

A: For finding the charge we will equate the repulsion  force between moon and earth as a result of…

Q: On 24 November 2021 the DART (Double Asteroid Redirection Test) spacecraft was launched. Its mission…

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Q: 3. The length of a pendulum is (75.5 ± 0.1) cm. What is the period of this pendulum in a place where…

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Q: Find A + B + C for vectors shown below. A = 5m, 90° B = 12m, 0° C = 20m, -35°

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Q: A non-uniformly charged semicircle of radius R=31.4 cm lies in the xy plane, centered at the origin,…

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Q: Use a scale drawing to find the magnitude of the vector sum A + B. 2. Find the direction of the…

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Q: A 70-Vac source has the following waveform. Determine: a. Vpk b. Vpk-pk C. Vrms d. Period e.…

A: Given:  RMS voltage = 70 V

Q: What is the electric field at a location b = m, due to a particle with charge +3 nC located at the…

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Q: The cheetah is considered the fastest running animal in the world. Cheetahs can accelerate to a…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: A gas undergoes two processes. In the first, the volume remains constant at 0.170 m³ and the…

A: Given data:  A gas undergoes two processes First process at constant volume and second process at…

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 –