Ex. 63: A motor car is travelling at a speed of 80 km/hr along a curve of radius 40 m. If the road is banked at an angle of 30°, will the car be safe ? (g = 9.8 m/s²).
Q: A 1.2-kg mass is whirled around in a circle on a string of 12 meters. The speed of the mass is 5.4…
A:
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: A kangaroo, a wallaby, a wombat and a bandicoot travel to Innsbruck, Austria on holiday where they…
A: Given, linear speed v=29.5 m/s centripetal force Fc=2250 angle =50 degree
Q: A 1000-kg car moving with a speed of 80 km/h goes up a circular section of a road with radius R= 200…
A: Given data: Mass of car (m) = 1000 kg Speed (v) = 80 km/h = 22.22 m/s Radius (R) = 200 m Angle (θ)…
Q: An object of unknown mass is tied to a string and undergoes uniform circular mo The object travels…
A: We know that when a mass of m is tied to a string and undergoes a uniform circular motion, the…
Q: What is the centripetal acceleration upon an unidentified material that moves with a tangential…
A: Given, an unidentified material moves upon a circle having,the tangential velocity v =2.0 ms and the…
Q: A ball of mass 19.5 g is attached to a cord of length 0.568 m and rotates in a vertical circle. What…
A:
Q: A ball attached to the end of a string is swung around in a circular path of radius r. If the radius…
A:
Q: A 5 kg ball on a string rotates in a horizontal circle (radius=2.6 m) with a speed of 7 m/s. Find: ⦁…
A:
Q: Assuming a cloverleaf interchange has a radius of curvature of 80 meters at the tightest part of the…
A: The interchange is circular in nature and has a radius of curvature equal to 80 m. As a car travels…
Q: A ball of mass 120 g at the end of a string travels in a circle while the other end of the string is…
A: Given information: Here, m is the ball’s mass, L is the string’s length and θ is the angle (acute)…
Q: A 3.5 kg ball is traveling in a circle of radius 1 m at a constant speed of 9 m/s. What is the…
A: The tension in the string must be equal to the centripetal force on the ball. It is given as,
Q: A woman is riding a jet ski at a speed of 30 m/s and notices a seawall straight ahead. The farthest…
A: The expression for the distance is,
Q: A 0.55-kg ball, attached to the end of a horizontal cord, is revolved in a circle of radius 1.3 m on…
A: We know that-The tension force of the cord is equal to the centripetal force of the ballT=FcenThe…
Q: A 0.50 kg ball attached to the end of a horizontal cord is rotated in a circle radius 2.1m on a…
A:
Q: Planet Roton, with a mass of 3.25 x 1024 kg and a radius of 2700 km, gravitationally attracts a…
A:
Q: Planet Roton, with a mass of 9.00 x 1024 kg and a radius of 3600 km, gravitationally attracts a…
A: Given that the value of mass of the planet rotton and also given the radius. Then We have to…
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: A highway curve of radius 360 m is designed for traffic moving at a speed of 115 km/hr. What is the…
A:
Q: A bucket containing water is tied to one end of a rope 8 m long and rotated about the other end in…
A: For the water to not spill at the highest point , mr2ω=mg where r is the radius of motion and ω is…
Q: A race car travels 76 m/s around a circular track of radius 159 m What is the magnitude of the…
A: Given,v = 76 m/sr = 159 mm = 1600 kg
Q: A jet plane flying 300 m/s experiences an acceleration of 2.0 g when pulling out of the circular…
A: The magnitude of the acceleration experienced by the plane is, a=2g=29.8 m/s2=19.6 m/s2 The velocity…
Q: Right after Princess Peach has thrown a turtle shell at Mario to take the lead, she comes up on a…
A:
Q: Jill in her car of mass 1800 kg is going over the top of a hill that has a radius of 99m. The car is…
A:
Q: dent ties a 530.0 g rock to a 1.75 m-long string and swings it around her head in a horizontal…
A: Given that: The mass of the rock is m=0.530 kg The length of the string is l=1.75 m. The…
Q: At a given instant, a car travels along a circular curved road with a speed of 20 m/s while…
A:
Q: Ex. 64: A car can be driven on a flat circular road of radius r at a maximum speed v without…
A: To find-Maximum speed of the car on second road such that it does not skid =?Given-v1=vr1=rr2=2r
Q: 55.0 kg child takes a ride on a Ferris wheel that rotates four times each minute and has a diameter…
A:
Q: A car is moving along a circle of radius R and its speed is V. If the car decreases its speed by a…
A:
Q: Bob is driving with constant speed in a curved path with radius r = 50 m. If the coefficient of…
A: Radius of the circular track, r=50 m Coefficient of static friction, μ=0.5 The free body diagram of…
Q: A car is turning on a road surface with a coefficient of friction of µ = 0.30. It turns with a…
A: µ = 0.30radius,r=50 mLet V be the max. velocity of car around the turn
Q: A jet fighter pilot flying at 300 m/s makes a turn with a radius of 1.5 km. Determine the radial…
A: speed = 300 m/s Radius = 1.5 km = 1500 m Radial acceleration = V2 / R = (300)2 / 1500 = 90000/1500…
Q: A sample of blood is placed in a centrifuge of radius 20.0 cm. The mass of a red blood cell is 3.0 x…
A: Q. Given data Mass of Red blood cell m = 3.0 × 10-16 kg Radius of the centrifuge R = 20.0 cm = 0.20…
Q: A space station with circular or cylindrical parts may have artificial gravity by spinning. The…
A:
Q: 5For the case of myoglobin, where mnet =4000 g/mole, how fast does a centrifuge have to spin before…
A: Step 1 2″N 2 πX15000 W= = 1570 rad/s 60 60 The bowl volume, V-b(1₂²-1²) = π x…
Q: In a laboratory test of tolerance for high acceleration, a pilot is swung in a circle 15.0 m in…
A: a)The required acceleration is,
Q: It is well known that runners run more slowly around a curved track than a straight one. One…
A: The velocity of the sprinter is v = 8 m/s. The radius of the curved track is r = 16 m. Assume the…
Q: High-speed ultracentrifuges are useful devices to sediment materials quickly or to separate…
A: The radius is The angular speed is The mass is
Q: 198/quizzes/secured#lockdown Hetflix Disney+ | Movies. Google Docs Classes Duolingo - The wo. Log in…
A:
Step by step
Solved in 3 steps with 3 images