A large chunk of metal has a mass of 255 kg, and its volume is measured to be 0.03 m³. (a) Find the metal's mass density (in kg/m³) and weight density (in N/m³). mass density weight density (b) What kind of metal is it? O lead brass O iron silver aluminum kg/m3 N/m³

Q: The 1000N cow now sits on the 5kg box. a. What is the total mass of the cow and the box? b. What is…

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Q: If a = 27 cm, b = 10 cm, q = +5 nC, and Q = – 10 nC in the figure, what is the potential difference…

A: Solution:-Given thata=27 cm=0.27 m b=10 cm=0.1 mq=+5 nC =+5×10-9 CQ=-10 nC=-10×10-9 Ck=9×109 N.m2/C2

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

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Q: 1. A stone is thrown downward from a tower with an initial velocity of 3 m/s. The height of tower is…

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Q: 6. If an object is dropped from the top of a ledge, what is the object's initial velocity?

A: Here, According to the question, the object is dropped. So, it’s basically free fall as no force is…

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Q: 10. Mr. Mangan soars over a large group of zombies and is in the air for a total of 5 s. How high…

A: Given , Mr. Mangan is in the air for 5s. So he took 2.5 s to go up and 2.5s to go down. So from…

Q: 6. Consider the system shown in the figure. Block A weighs 45.0 N and block B weighs 25.ON. Once…

A: Given data: Weight of block A ( WA )= 45 N Weight of block B ( WB )  = 25 N Weight of cat Wcat = 45…

Q: PWQMM A 2222 kilogram wrecking ball is suspended from a cable and is moving in the vertical (up or…

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Q: Question 2.6

A: X(t)= at2+bt3 Where,  a=1.50 m/s2   and   b= 0.05 m/s3 (a)  At  t=0s   , X = X1 (Let) Put  t= 0  ,we…

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: The speed of a vehicle is 71 km / h . How much is this speed in S.I units ? choose a -150.86 m / s b…

A: Given that, Speed of vehicle = 71 km/h

Q: 6. Calculate the magnitude of the resultant of three concurrent forces: The first force is 200 N…

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Q: A body is launched straight upwards with an initial velocity of 1400 ft/s. what is its velocity at…

A: given      initial velocity ( u ) =1400 ft /s      distance it moved = 30000 ft       assuming no…

Q: Determine the acceleration of the cable drawn into the motor to make the load B attain a speed of 8…

A: Given, Speed at load, vB=8m/s Time, t=3s Length of string 1, SB+2SB-SC=l13SB-2SC=l1 Time derivative…

Q: 5. A box falls off the tailgate of a truck and slides along the street for a distance of 62.5 m.…

A: Given data:  Distance (d) = 62.5 m Final velocity (Vf) = 0 m/s Acceleration (a) = -5.0 m/s2…

Q: A cheetah can accelerate from rest to a speed of 28.5 m/s in 6.00 s. What is its acceleration (in…

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Q: Six vectors are shown below. ン Select all vectors which have the same magnitude.

A: The quantities which has both magnitude and direction are called vectors. A vector has a head and a…

Q: A) Write the vector form of D, E, and F. B) Find F x D · E 7 in E 15 in 12 in F 10 in

A: position coordinates:a: 0,10,0F:12,10,0c:0,0,15g0,0,15e12,0,0

Q: If an airplane needs to reach a speed of 36.5 m/s in order to takeoff, and the plane can accelerate…

A: Given data:  Initial velocity (u) = 0 m/s Final velocity (v) = 36.5 m/s Acceleration (a) = 2.30 m/s2…

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Q: Consider Newton's second Law F = må . Solve for m.

A: The Newton's second law of motion is given as: F→=ma→. Here, F→ is the force on the object, which is…

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Q: 15. How long does it take to drive a distance of 260 miles at a speed of 65mph?

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Q: Vector is quantity with both magnitude and direction. magnitude . direction.

A: Given, Vector is quantity with  (A) Both magnitude and direction (B) Magnitude (C) direction

Q: 7. Mr. Mangan runs 50 m south in 1.5 seconds. What is his speed? What is his velocity?

A: Given,Mr. Mangan runs 50 m soth in 1.5 seconds

Q: A person is trying to lift a box off the floor. The box has a mass of 55kg and the person can lift…

A: In this question a person is trying to lift a box of 55kg , with a force of 300 N.

Q: Which of the following equation consequence() to the equation V. (V x E) Select one: a. V.B O b.-VE,…

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Q: A car travels at a constant velocity of 30 m/s. How long does it take to travel 126 meters? A car…

A: t=dv=126 m30 m/s=4.2 s

Q: 17. Graph-it-all analysis. The following are a y-t plot, two v-t plots, and an a-t plot. Which of…

A: Its a concept lf acceleration. We know during free fall the acceleration remains constant i.e…

Q: traveling at 95.0 km/hr. The driver steps on the brakes and the car comes to a stop in 60.0 m. nat…

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Q: An airplane starts from 17.8 m/s and accelerates at 11 m/s2. What is its speed at the end of a 340 m…

A: Given data: Initial velocity, u=17.8 m/s Acceleration, a=11m/s2 Distance, s=340 m We have to find…

Q: A 17 kg object moving East is acted upon by a force 25 N acting West. The acceleration (in m/s) of…

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Q: Whats the resultant velocity of an airplane that normally flies at 235 Im/h if it encountered a 60…

A: Given that,Velocity of airplane : va = 235 (km/h)Head wind velocity : vw = 60 (km/h)Here we need to…

Q: A 140-gram apple fell from a tree and hit Sir Isaac's head. What is the force exerted by Sir Isaac's…

A: Given data: A apple fell from tree  Mass (m) = 140 g = 0.140 kg Required: The force exerted on the…

Q: 9. A motorboat travels across a 132 foot wide river at 7 mi/h directed 18 degrees into a 3 current.…

A: Givenwidth of river=132 ftvelocity of motorboat, v=7 mi/hAngle, θ=18°Velocity of current=3 mi/h