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Q: A stone is dropped from the roof of a high building. A second stone is dropped 1.00 second later. Ho...

A: Time taken for the 2nd stone to reach the speed of 15.0 m/s is,

Q: C7M.2 Abicycle wheel with radius R, mass M, and moment of inertia I =MR2 is mounted in the shop free...

A: Given that the moment of inertia of bicycle wheel of mass M, and radius R is I=3/4MR2.Write the expr...

Q: A fish is to be weighed, and its mass is 69.0 kg.  Why is g=9.8 m/s^2 important to derive or concept...

A: Wright of any body on any planet is the measure of the force applied by the planet on the object to ...

Q: Homework #4 (Chapter 5) ** 8. A bullet of mass 100 grams is uniformly accelerated down an 80-cm rifl...

A: Given information:Mass of the bullet (m) = 100 g =0.1 kgLength of the barrel (l) = 80 cm = 0.8 mFina...

Q: What are the units of mass and the units of weight for the English system?

A: The mass of an object is often same as the weight in different concepts and quantities. Mass is the ...

Q: A thin nonconducting rod with a uniform distribution of positive charge Q is bent into a circle of r...

A: Given information:

Q: The position of a particle moving along the x axis is given by x = (21 + 22t-6.0t2) m,where t is in ...

A: Instantaneous velocity is,

Q: The best leaper in the animal kingdom is the puma, which can jump to a height of 3.7 m when leaving ...

A: The puma will be in a projectile motion. The equation for the maximum height achieved by a projectil...

Q: If the Earth’s axis were not tilted, what effect would this have on the seasons?

A: At present Earth is tilted 23.5 degrees on its axis. This is the primary reason for the seasons. Whe...

Q: A 5.0 kg crate is accelerating along a frictionless floor. If the applied forces are F1 = 20.0N and ...

A: Given:Mass of the crate, m = 5 kgForce F1 = 20 NForce F2 = 20 N

Q: There is a clever kitchen gadget for drying lettuce leaves after you wash them. It consists of a cyl...

A: Given:Angular velocity of the cylinder = 1.36 rev per secondRadius of the cylinder, R = 11.4 cm = 0....

Q: C6M.6 A certain playground merry-go-round is essentially an iron disk of radius R and mass m. Two ch...

A: Given information:Radius of the iron disk = RMass of the disk = mDistance of each child from the cen...

Q: Tom enlists the help of his friend John to move his car. They apply forces to the car as shown in th...

A: a)The net force acting on the system is,

Q: An automobile manufacturer claims that its product will, starting from rest, travel 0.40 km in 9.0 s...

A: According to the kinematics equation,If the initial velocity is zero because it starts from rest, so...

Q: A brick is thrown upward from the top of a building at an angle of 15° to the horizontal and with an...

A: at maximum height , the velocity will be zero. the expression for the velocity at maximum height is 

Q: The current through each resistor in  if each resistance R = 4.25 kΩ and V = 14.0 V . What is the th...

A: Given that the value of all the resistors is equal and has the value R=4.25kΩ.The circuit is shown b...

Q: How does mass affect the rate of acceleration in free fall:a) In air?b) In a vacuum?

A: (a) Mass affects the rate of free fall, when an object falls in the air. This is because, objects fe...

Q: In the figure the four particles form a square of edge length a = 5.50 cm and have charges q1 = 7.48...

A: Given:Charge q1 = 7.8 nCCharge q2 = -21.4 nCCharge q3 = 21.4 nCCharge q4 = - 7.8 nCLength of the sid...

Q: A 1040 kg artillery shell is fired from a battleship. While it is in the barrel of the gun, it exper...

A: The mass of the artillery shell is 1040kg, and the acceleration of the barrel of the gun.(a)Write th...

Q: A stone is thrown vertically upwards with at speed v and returns to the ground.  I already know that...

A: Given information:The body is thrown vertically up with a velocity (v) and it is known that the acce...

Q: An electron is a subatomic particle (m = 9.11 x 10-31 kg) that is subject to electric forces. An ele...

A: The acceleration of the of the electron is,

Q: An airplane flies 200 km due west from city A to city B and then 355 km in the direction of 27.5° no...

A: Draw the diagram. Here, AB is the distance between the cities A and B, BC is the distance between th...

Q: Suppose a chinook salmon needs to jump a waterfall that is 1.39 m high. (a) If the fish starts from ...

A: Write the kinematic equation , to initial velocity of the fish along vertical direction .

Q: A research group at Dartmouth College has developed a Head Impact Telemetry (HIT) System that can be...

A: The final velocity is zero. So, average velocity is,

Q: The block shown in Fig. 4-59 has mass m=7.0 kg and lies on a fixed smooth frictionless plane tilted ...

A: Given:Mass of the block, m = 7 kgAngle of inclination = 22°Distance to be travelled by the block = 1...

Q: For a skydiver that is encountering air resistance, what happens to their net force on them as they ...

A: when a skydiver falls downeards, it will gain speed in evey second,  as speed increases the force be...

Q: Two expressions were used for the drag force experienced by a moving object in a liquid. One depende...

A: When a body moving through fluid, there is a resistance provided by the fluid to the motion of the o...

Q: The upper leg muscle (quadriceps) exerts a force of 1150 N, which is carried by a tendon over the kn...

A: Given:Magnitide of force, Fo = 1150 N

Q: A proton follows the path shown in (Figure 1). Its initial speed is v0 = 1.9×106 m/s.   Figure ...

A: Given:v0 = 1.9×106 m/sCharge on negative charge, q = 10 nC

Q: What is the acceleration of the box?

A: The expression for the acceleration of the block,

Q: A block with a mass of m = 16 kg rests on a frictionless surface and is subject to two forces acting...

A: (a)From the figure the net force acting in the x direction is given by,

Q: MP 5 Review Part A Apply Newton's second law in component form to object C in the force diagram show...

A: Given:Three forces are given in the diagram.Sum of forces in x-direction and y-direction has to be c...

Q: A turn has a radius of R and is banked at an angle theta so that on a perfectly icy (frictionless) d...

A: Consider the FBD of the car on the frictionless banked road.

Q: A River has a steady speed of 0.500 m/s. A student swims upstream a distance of 1.00 km and swims ba...

A: Consider the motion of the student when the river has some speed. Let vr be the speed of the river, ...

Q: How are hovercrafts supported

A: With the help of a large fan air pumped below the skirt to get the required lift. Once the hovercraf...

Q: Flying Puck Consider a small frictionless puck perched at the top of a fixed 2. sphere of radius R. ...

A: Given:Radius of the sphere = R

Q: A woman exerts a horizontal force of 10 pounds on a box as she pushes it up a ramp that is 4 feet lo...

A: Given information:The inclination of the ramp (θ) = 300The length of the ramp (l) = 4 feetThe force ...

Q: The astronaut orbiting the Earth in Figure P4.32 is preparing to dock with a Westar VI satellite. Th...

A: (a)The free fall acceleration of the astronaut is,

Q: A dockworker applies a constant horzontial force of 80.0Nto a block of ice on a smooth horizontal fl...

A: Find the acceleration of the block by using kinematics equation.

Q: After leaving the end of a ski ramp, a ski jumper lands downhill at a point that is displaced 53.8 m...

A: Given:x = 53.8 mv =  15.3 m/sθ = 41.00

Q: An earthquake emits both S-waves and P-waves which travel at different speeds through the Earth. A P...

A: Consider d be the distance between the station and the earthquake centre. Also, consider the time ta...

Q: A space vehicle is coasting at a constant velocity of 19.1 m/s in the +y direction relative to a spa...

A: Given:Velocity in y-direction, vy = 19.1 m/sAcceleration in x- direction, ax = 0.282 m/s2Initial vel...

Q: Hello, (a) In what direction would the ship in Exercise 3.57 have to travel in order to have a veloc...

A: First resolve the velocity in x and y direction

Q: The graph shows the force acting on an object as a function of the position of the object. For each ...

A: a) Work done is,

Q: How to find the maximum height of a cannonball with an initial velocity, v^o and a angle of 45?

A: Given parameters:Initial velocity = V0  Angle made with the horizontal = θMaximum height =?

Q: An object of mass 0.61 kg is initially at rest. When a force acts on it for 2.9 ms it acquires a spe...

A: Let u be the initial velocity of the object, v be the final velocity of the object, t be the time ta...

Q: A particle moving along the x-axis has a position given byx = At-Bt2, with A=27.4 and B = 1.96. Assu...

A: Given that the velocity of the particle is zero.

Q: A cleaner pushes a 4.50 kg laundry cart in such a way that the net external force on it is 60.0 N.  ...

A: The expression for the acceleration from Newton’s second law,

Q: Cynthia pulls her nephew Tyrone in a wagon on a walk to the library, a distance d away from home.   ...

A: The figure is shown below:

Q: Rank the crates on the basis of the frictional force acting on them. Rank from largest to smallest. ...

A: Given:

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”