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: [ 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: A golfer encounters two different situations on different holes. On the second hole they are 150 m…

A: a.  31.91 m/sb. 36.87 m/sc.  second hole: y=0.5774x−0.0064x2, fourth hole:…

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: 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: 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: What is the minimum possible value of the coefficient of static friction between the mug and the…

A:

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

A:

Q: While moving into his new house, Voytek is sliding a heavy box of books across his bedroom floor.…

A: To start the block to move ,the applied force must be greater than the static friction.As the body…

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: 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: 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: 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 small block has a horizontal velocity of 4.00m/s as it slides off the edge of a table. The table…

A: T = sqrt(2v/g) = SQRT((.9 *2)/ 9.8) = 0.4286 seconds

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: Two blocks are attached to opposite ends of a massless rope that goes over a massless, frictionless,…

A:

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

A:

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: 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…

Q: Children playing in a playground on the flat roof of a city school lose their ball to the parking…

A:

Q: The soccer ball shown weighs 1 lb and has a velocity of 20 fps at 40° to the horizontal prior to…

A: Given Data: Mass of ball  m= 1 lb Vi (initial velocity)= 20 fps at 40o Vf(final velocity) = 30 fps…

Q: A hockey puck (mass = 4 kg) leaves the players stick with a speed of 12 m/s and slides on the ice…

A: Deceleration  a = 0.3 × 9.8 =   2.94 m/s².

Q: A 1.90 kg box is moving to the right with speed 9.00 m/s on a horizontal, frictionless surface. At t…

A:

Q: An industrious chipmunk creates an acorn catapult. This acorn catapult fires a 0.00543 kg acorn at…

A: (d) Given: The mass of the acorn is 0.0053 kg. The initial speed of the acorn is 21.8 ms-1.…

Q: Two bodies of mass 4 kg and 6 kg are tied to the ends of massless string. The string passes over a…

A: Given, Two bodies of mass = 4 kg and 6 kg

Q: In a harbor wind is blowing at the speed of 72km/h and the flag on the mast of a boat anchored in…

A:

Q: Each propeller of the twin-screw ship develops a full-speed thrust of F = 210 kN. In maneuvering the…

A: For the tug given there to counteract the turning , we have the thrust exerted by tugs must create a…

Q: V= mph A typical break shot in pool (the opening shot) is about 20 mph with a ball that is about…

A: We have value of unfold sling = 5.54 ft Redius =5.542 ft Angle made below horizontal (θ) =4.73°…

Q: A golf ball (m = 67.8 g) is hit by a clab that makes an angle of 25.1° with the horizontal. The ball…

A: Given: The mass of the ball is m=67.8 g. The angle of flight is θ=25.10. The horizontal range (total…

Q: A projectile is launched horizontally off from a tall building at a sped of 50m/s. After three…

A: Given Projectile is launched in horizontal direction Initial velocity of projectile = ux = 50 m/s…

Q: then suppose that man turns clockwise in such a way that he finds himself at a position of S 45 W.…

A: Given:-  When a man stands in such a way that on his front there is the north direction and on the…

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!