A dime is placed at the edge of a table so it hangs over slightly. A quarter is slid horizontally on the table surface perpendicular to the edge and hits the dime head on. Which coin hits the ground first?

Q: Two masses (M1 = 7 kg and M2 = 12 kg) are connected by a wire that is wrapped around a cylindrical…

A: Given: M1=7 kgM2=12 kgM3=4 kgR=3 m The free-body diagram of the system is given bwlow.

Q: [ d) what should be the ball's initial velocity angle (above horizontal)? ]

A: In horizontal direction by  Sx = Ux × t  Ux = 4.2/1 = 4.2 m/s  In vertical direction by  Sy = Uy × t…

Q: There is a trash basket ten meters away from a football. The basket is one and a half meters high. A…

A: In a projectile motion , the maximum height that can be reached is calculated by using the formula…

Q: pine sphere (??pine = 0.545 g/cm3) with a radius of 10.0 cm is connected to a large iron anchor with…

A: tension  when body in air = mg = v d g  = 4πr3dg /3 v= volume = 4/3 πr3 = 4 x3.14 x 0.13 /3…

Q: When serving, a beach volleyball player strikes the volleyball (mass = 265 g) at a height of 2.4…

A: mass of volleyball (m) = 0.265 kg initial height (h) = 2.4 m final height (h') = 2.4 m time of…

Q: The earliest drop towers were used for the purpose of making lead shots for muskets. The procedure…

A:

Q: An archer shoots an 18.0-gram arrow at a 43.0-gram target on a wall 32.0 m high. If the arrow is…

A: Mass of arrow (m)=18 g Mass of target (M)=43 g Height of wall (H)=32 m Speed with which the arrow…

Q: A skateboarder is attempting to make a circular arc of radius r = 19 m in a parking lot. The total…

A: Draw the free-body diagram of the skateboard. The diagram consists of the radial force only since…

Q: The figure shows a container of mass m1 = 4.9 kg connected to a block of mass m2 by a cord looped…

A:

Q: football match, a player kicked 400 grams of football with a speed of 70 miles per hour at an angle…

A: Given:-  The mass of the football m = 400 g = 0.4 kg  The speed of the mass is v = 70 miles/ hour =…

Q: A car of mass 850 kg attempts to round an unbanked road with a radius of 100 m. If the coefficient…

A: Mass of the car,  Radius of the road,  Coefficient of static friction,  Acceleration due to gravity,…

Q: An old Biblical story tells of David, a small warrior engaged in man-to-man combat with Goliath, a…

A:

Q: A ski jumper leaves the sky track moving in the horizontal direction with a speed of 25 m/s .The…

A: let the landing distance on the incline along the slope from the jumping point be L horizontal…

Q: A skier starts at the top of a very large, frictionless snowball, with a very small initial speed,…

A:

Q: An astronaut on the International Space Station is doing an EVA to tighten a bolt.   His expensive…

A: International Space Station (ISS) revolves around earth and therefore earths gravitation acts on…

Q: A person driving on I-82 glanced at his phone to read a very important text message. When he looked…

A: Displacement S = 96.5 mFinal velocity v = 0 m/sDrag sled mass m = 3.9 kgDrag sled Force Fr = 28 N

Q: A ball is dropped from a height 16 m above the ground at t=0.0. Each time it bounces from the…

A: Solution: Given that h = 16 m rebound speed 60 % of impact speed

Q: A child is standing on the edge of a cliff overlooking a river. The cliff is 12m above the edge of…

A:

Q: A novice tennis player lands the ball on top of the flat roof of a nearby building. The .58 g ball…

A: Given, Mass of ball is m=0.58g The falling time of ball from rooftop is t=3.5s Landing distance is…

Q: A hockey puck is hit on a frozen lake and starts moving with a speed of 15.0 m/s. If the coefficient…

A: initial velocity, u = 15 m/s  friction coefficient, μk =  0.2  time, t = 5 s

Q: Spherical proteins of an unknown radius have a density of 5.80 x 103 kg/m3 and are suspended in…

A: Given:-            Density of protein (ρprotein) = 5.8×103 kg/m3            Radius of centrifuge (R)…

Q: At t=0, a block hanging on a rope is released from an initial angle of 30 degrees to the vertical.…

A:

Q: At a local swimming pool, the diving board is elevated h = 8.5 m above the pool's surface and…

A: Since the diver is running horiozntally, the vertical componnet of the initial velocity will be…

Q: What is the hanging mass m on the left if the system is in equilibrium? //// 12.5 cm 25 cm 50 cm 75…

A: Given Data : The mass of block 1 is given as m1 = 1 Kg. distance of block 1 from the point of…

Q: An archer shoots an 18.0-gram arrow at a 43.0-gram target on a wall 32.0 m high. If the arrow is…

A: Using law of conservation of energy, the expression for find velocity is 12mu2=mgh+12mv2v=u2-2gh

Q: A motorcycle daredevil plans to ride up a 2.85 m high 29.0° ramp, sail across a 10-m-wide pool…

A: Given:  Ramp height = h = 2.85 m Inclination angle of the ramp = θ = 29 degrees width of the pool =…

Q: How long does it take him to reach the south shore?

A: Conservation of linear momentum According to the law of conservation of linear momentum, the linear…

Q: The Xanthar mothership locks onto an enemy cruiser with its tractor beam (see the figure below);…

A: The objective of this question is to find the x-position of the two spacecraft when the tractor beam…

Q: A 39-kg projectile is fired from level ground. The vertical component of the initial velocity is 80…

A: Given data:  Mass (m) = 39 kg Vertical component of the Initial velocity (uy) = 80 m/s Horizontal…

Q: Newton's Cradle is the physics toy with several balls hanging from string in contact with one…

A:

Q: Spherical proteins of an unknown radius have a density of 6.60 x 103 kg /m3 and are suspended in…

A: The density of protein The radius of centrifuge The angular velocity of centrifuge The terminal…

Q: Wheezy is tumbling sideways and resembles a cylinder (of radius 10 cm) rolling down hill.  Mumble…

A: The free body diagram of the penguins N is the normal force ,mg is the weight of the penguin and f…

Q: (d) What If? If the teacher always launches the ball with the speed found in part (a), what is the…

A:

Q: A basketball player jumps straight up for a ball. To do this, he lowers his body 0.270 m and then…

A: Given, lower height, hi = 0.270 m final height, hf = 0.940 m

Q: e m e kN 9 m A.................... 12 m 12 m e kN e kN 9 m The commercial airliner is drawn here…

A:

Q: In deep space, an astronaut is whipping a heavy tool around in a circle by a taut cable. The cable…

A:

Q: ming a 1.50 m high railing around the playgrou bint vertically above the wall. (Due to the natur

A:

Q: A uniform chain of length L and mass M lies on a frictionless horizontal table with a very small…

A:

Q: Let us consider the fall of a pole vaulter as a projectile once he releases the pole. The pole has a…

A: Solution: At a height of 13.7ft, an athlete has an initial speed of 15.7ft/s at an angle of…

Q: For numbers 18-23, refer to the given statement below: A golf ball hits with an initial velocity of…

A: Any vector quantities can be split into horizontal and vertical components. Velocity is also a…

Q: Two people, one with mass 50kg and one with mass 60 kg are sitting opposite each other in rolling…

A:

Q: During launches, rockets often discard unneeded parts. A certain rocket starts from rest on the…

A: Given: The acceleration of the rocket is a = 3.5 m/s2 The height at which the canister is…

Q: At a local swimming pool, the diving board is elevated h = 9.5 m above the pool's surface and…

A: Give Data:- Elevation of the diving board is h=9.5 m The diving board overhangs the pool edge by…

Q: Identical launchers fire identical projectiles horizontally at the same speed from the same height…

A: Since the acceleration due to gravity on the moon is one sixth that on the Earth therefore there…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!