Q27: A 76 kg man walked up 59 m of stairs. How many Calories does he burn? Assume 25% efficiency. A. 4200 Cal B. 1800 Cal C. 180 Cal D. 42 Cal

Q: There are two forces on the 6.2 kg crate in the overhead view of the figure below, but only one is…

A: Given- Force (F1) = 11.7 N Acceleration (a) = 10.3 m/s2 θ = 39° Mass of crate (m) = 6.2 Kg

Q: Q7. Inertia is O An example of Newton's 1st law of motion. O Defined as the tendency for an object…

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Q: A ship of mass 4.5 x 10° kg starts from rest under the force a constant propeller with a thrust of…

A: Express the condition for the ship attain terminal velocity. Fthrust=Fr Here, Fthrust is the thrust…

Q: The force F= 600 lb is shown in the figure. What is the X-component of F in Newton? b. 1. a. What is…

A: Given, F = 600 lb. F is making an angle of 30 degrees with X axis F is making an angle of 30 degrees…

Q: 20. Determine the force of gravitational attraction between a 67-kg father and his 12.8- kg son if…

A: Given data :  Father mass m1 = 67 kg  Son mass m2 = 12.8 kg  Distance between father & son r =…

Q: What is the force by tension between the 3 kg bucket and the 7 kg bucket on the right? A 56.5 N

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: A 0.623 kg. basketball is dropped from the rooftop of a building. If it took the ball 3.5 seconds to…

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Q: The emf source, E, of the circuit shown in the figure has negligible internal resistance. The…

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Q: In the circuit shown below, V=4V, 1 = 4 A, R1 = 3 2 and R2 = 17 Q2. Using either superposition or…

A: Find Vx

Q: The direction of the acceleration, when Fj and F2 are applied to a 5 kg crate; F¡ is 6N due north…

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Q: a. Set up the equations to solve the problem. b. Determine R1 and R2. 300 Ib 400 lb 100 lb/ft 6'- 8'…

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Q: For this question, an 85,000kg missile on the moon fires its engines while tilted at 34 degrees from…

A: Given, an 85,000kg missile on the moon fires its engines while tilted at 34 degrees from the…

Q: Q2 Is the force field f = ixy + jcxz + kyz conservative?

A: Solution

Q: A particle moves in a plane according to the following relationship: Find the force acting on the…

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Q: A 36 kg block is moving across a horizontal surtace at 9.5 ms What is the magnitude of the force…

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Q: A 2500 kg roller- coaster completes a loop of radius 16 m in 3.00 s. a. Draw an FBD of the coaster…

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Q: 42. John is moving a 14 kg box in a Phsyics lab on an approximately frictionless surface. If the box…

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Q: A horizontal carousel is rotating around its axis with constant angular velocity w. On the carousel…

A: Step 1: here we have solved for question a Step 2: here we have solved for question b  Step 3: nil…

Q: 1. Calculate the x-component of force 100 Ib. Assume positive to the right. O 40V5 Ib O 50 Ib None…

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Q: 7. Block Aslides to the left with an initial speed of 2 m/s with respect to the ground on a…

A: Given data: The initial speed of block is u=2 m/s. The speed of transmission belt is v=3 m/s. The…

Q: 1. A child stands on a bathroom scale while riding in an elevator. The child's weight when the…

A: Note: As per the guidelines, we can only answer first question of multiple question. Sorry for the…

Q: 1. Find all the forces on Qs. Q2 0.7 m 0.7 m 2 m 0.3 m 1.1 m Qs Q1 = Q3 = Qs = 4 x 10-6 C Q2 = Q4 =…

A: This problem is from Electrostatics. Let's solve this problem by using Coulomb's law. Please have a…

Q: Luke and his friends will play pinata game. He attached the 5 kg pinata to a string, and he is…

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Q: 13. 54-kg box is sitting on the floor of a level railroad car which is moving forward with a speed…

A: mass of box = 54 kg speed = 25 m/sa = 5.6 m/s2

Q: A physics student with mass 51kg slides in the snow (see figure). Find the velocity for each points…

A: Given: ha=100mhb=60 mhc=30mhd=60mhe=0m

Q: At the instant shown the 100-lb block A is moving down the plane at 4 ft/s while being attached to…

A: Given:

Q: g. If your answer to f was yes, describe the equal and opposite force by answering these questions:…

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Q: 14. What amount of static friction is needed to keep a 733 kg racecar traveling at 42.5 m/s from…

A: Write the given values of this problem.   Mass of race car, m=733 kgVelocity of race car,v=42.5…

Q: 10. How much horizontal force is needed to produce an acceleration of 8 m/sec² on a 75 kg box? A.…

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Q: 2. The only force acting on a 10-kg object has components Fx = 60 N and Fy = 80 N. Find the…

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Q: As a 2.5 kg ball rolls down a ramp, the net force on it is 15 N. What is its acceleration?

A: Given that,Mass : m = 2.5 (kg)Net force : F = 15 (N)Here we need to find the Acceleration : Now,As…

Q: 3 ст 3 cm 91 q2 q: = Q= 4.5 nC, q, = -4.5 nc

A: Given:

Q: Suppose a 4.25 slug gymnast is climbing a rope.  a. What is the tension, in the rope, in pounds if…

A: The objective of this question is to calculate the tension in the rope when a gymnast is climbing…

Q: I watched a lot of Looney Toons when I was a kid, and liked that the Roadrunners legs would spin for…

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Q: Luke and his friends will play pinata game. He attached the 5 kg pinata to a string, and he is…

A:

Q: 3. A 5.0-g bullet travelling at 625 m/s strikes a block, causing it to move back by 6.0 cm before…

A: In a given problem we have to assume that the force is constant so according to Newton's law the…