Suppose a 67.5 kg gymnast climbs a rope. (a) What is the tension (in N) in the rope if he climbs at a constant speed? N (b) What is the tension (in N) in the rope if he accelerates upward at a rate of 1.65 m/s²? N
Q: Ignoring air resistance and the little friction from the plastic tube, the magnet was a…
A: Faraday’s law The magnitude of the emf induced in a circuit is corresponding to the rate of varying…
Q: 9. Consider a situation with a negative charge moved from a great distance to a position near a…
A:
Q: Consider the case in which light ray A is incident on mirror 1, as shown in the figure. The…
A:
Q: A ball is tied to the end of a string and swung around overhead. The 0.05 kg ball makes a complete…
A:
Q: A stone is thrown horizontally from the top of a cliff 20m high, with a horizontal velocity of…
A: Motion perpendicular are independent of each other. Motion can be uniform or accelerated. Motion is…
Q: 3-1 Two flexible cables A and B are used to support a 220lb traffic light as shown in Fig. P3-11.…
A:
Q: A model of a helicopter rotor has four blades, each 4.00 m in length from the central shaft to the…
A:
Q: How does a pulley increase the displacement over which you have to do work Ob Oc Od By wrapping the…
A: A pulley assists you in changing the direction of your lifting power if you only have one wheel and…
Q: block is at rest on a horizontal frictional surface. A string is attached to the block, and is…
A: Please post the remaining questions separately!
Q: What is the electric flux of a sphere with a 1.5m radius experiencing a 102.3 N/C at a 38° angle…
A:
Q: Are all forces the same?
A: Basically force are classified into types Contact force: results at the interaction of two object…
Q: A geosynchronous Earth satellite is one that remains above the same point on Earth (provided it…
A:
Q: A stone was thrown with initial velocity of 20 m/s at angle 30 degrees above horizontal. If the…
A: Given:- Vo= 20 m/s θ= 30° h= height of the building= 35 m
Q: What is the distance between the electron and proton if the electric force between them is 4.17 × 10…
A:
Q: A particle has a resultant force of F=3t+2 Newtons, where t is in seconds. Determine the linear…
A:
Q: In a circus trapeze act, two acrobats fly through the air and grab on to each other, then together…
A:
Q: If a person lifts up a heavy box weighing 500 N a distance of 20 cm off the ground, but then gets…
A: We have a box which has a weight of F=500 N that is lifted up to a height h=20 cm=0.2 m off the…
Q: Billiard ball A strikes another ball B of the same mass, which is at rest, such that after the…
A:
Q: If you drop a rock from a three-story building, with no air resistance, how many forces are acting…
A:
Q: A trebuchet (a catapult) is used to launch a fiery projectile towards a castle. The projectile is…
A:
Q: What would the FBD of the basketball at point 1, 2, and 3 look like? Draw 3 seperate FBD for each…
A: Let m be mass and g be acceleration due to gravity. Only force acting on it gravitaiona force at all…
Q: What would be the value of the electrostatic force between an electron and a proton with a distance…
A:
Q: A 12.0 [V] battery with an internal resistance of 2.00[22] is linked to a 4.00[22] external resistor…
A:
Q: Find the x and y coordinates of the "Center of Mass" of the homogeneous circular shape thin plate…
A: The data interpreted from the figure is as follows: 1. Radius of big circle, R1=4 cm 2. Radius of…
Q: A physics major is cooking breakfast when he notices that the frictional force between the steel…
A:
Q: Gold can be hammered into decorative gold leaf, which is only 1.00E-07 m thick. If 1.88 troy ounce…
A: We know the density of a material sample, ρ=mV. Where m = mass of the sample and V= volume of the…
Q: An oil tank is in the form of a right circul Find the total force on one e horizontal. 50 N/cubic…
A: GivenDiameter of right circular cylinder, d=4 mWeight density of oil, W=50 N/m3
Q: An arrow is fired from a bow from a height of 1.3 m and hits a target at the same height 15 m away.…
A: We have an arrow that is fired from a height of h=13 m and it hits the target at a range of x=15 m…
Q: a) b) c) Captain Marvel jumps straight up in the air (THIS IS NOT A PROJECTILE QUESTION) with a…
A: a) At the maximum height, the velocity will be zero. Apply the third kinematic equation to determine…
Q: Lee watches TV for 4 hours per day. During that time, the TV consumes 200 watts per hour.…
A: Given: The TV takes the time is 4 hours per day. The cost of electricity is 15 cents/kW.h. The total…
Q: A tube 1.10 m long is closed at one end. A stretched wire is placed near the open end. The wire is…
A:
Q: Consider an LC circuit in which L = 500 mH and C = 0.100 μF ?. (a) What is the resonance frequency…
A:
Q: Name: Section: Solve the following completely (given required, Free-body diagram (if applicable),…
A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…
Q: A ball is thrown from A. If it is required to clear the wall at B. Given: Initial velocity, VA =…
A:
Q: Astrology, that unlikely and vague pseudoscience, makes much of the position of the planets at the…
A:
Q: Determine the centroid of the beam's cross-sectional area. 80 mm 40 mm 40 mm 10 mm 30 mm X 20 mm
A:
Q: 2. The repulsive electric force between the point charges -6.36 x 10 C and q has a magnitude of 1.32…
A:
Q: 1. A boy on a bicycle experiences a net force of 75N for 4.2 seconds. If the boy and the bicycle…
A: Let final velocity of combined mass be v . Than change in momentum after 4.2 s = m(v-0) = 60v .
Q: Olivia is inspecting the concave primary mirror of the Hubble telescope before its launched into…
A:
Q: A 2.00-kg block is placed on top of a 5.00-kg block. The coefficient of kinetic friction between the…
A: If μK is the coefficient of KINETIC friction then Pulling Force = μK * Normal force. Normal force is…
Q: An AC circuit has a frequency of 400 Hz. A 16 Ω resistor, a 22 mH inductor, and a 16.6 uF capacitor…
A: Given data: frequency f = 400 Hz Resistance R=16 Ω Inductance L =22 mH = 22 x 10-3 H Capacitance =…
Q: A 1.90 m length of wire is held in an east-west direction and moves horizontally to the north with a…
A:
Q: what is the total work done by the force over the distance x=0 to x=15.0m?
A: Work done is basically the area under the graph of Force vs displacement!
Q: What is the angle between the electrostatic force on the charge at the origin and the pos- itive…
A:
Q: 9. Some insurance companies are suggesting that a driver's premiums could be lowered if they were…
A: in this question we discuss record data and analysis of EDR.
Q: An object with a mass of 100 grams (0.100kg) is dropped from a certain height and has a a velocity…
A:
Q: A h e m i s p h e r i c a l s u r f a c e w i t h r a d i u s R i s i m m e r s e d…
A:
Q: 2. A thin plastic washer (non-conducting) has an inner radius of 2.00 cm and an outer radius of 3.00…
A: Given:- The inner radius r1= 2 cm and the outer radius is r2 = 3.0 cm The distance of P point from…
Q: Find the vectors that satisfy the stated conditions. NOTE: Enter the exact answers using the…
A:
Q: Organ pipe A, with both ends open, has a fundamental frequency of 300 Hz. The third harmonic of…
A: Given, fundamental frequency = 300 Hz Speed of sound = 343m/s
Step by step
Solved in 2 steps
- Starting from rest, a rectangular toy block with mass 300 g slides in 1.30 s all the way across a table 1.20 m in length that Zak has tilted at an angle of 42.0 to the horizontal. a. What is the magnitude of the acceleration of the toy block? b. What is the coefficient of kinetic friction between the block and the table? c. What are the magnitude and direction of the friction force acting on the block? d. What is the speed of the block when it is at the end of the table, having slid a distance of 1.20 m?A toy rocket engine is securely fastened to a large puck that can glide with negligible friction over a horizontal surface, taken as the xy plane. The 5.80-kg puck has a velocity of 1.40î m/s at one instant. Eight seconds later, its velocity is (6.00î + 8.0ĵ) m/s. (a) Assuming the rocket engine exerts a constant horizontal force, find the components of the force. î + ĵ N(b) Find its magnitude. NA box with mass m1 = 5.00 kg sliding on a rough table with a coefficient of kinetic friction of 0.212 is connected by a massless cord strung over a massless, frictionless pulley to a second box of mass m2 = 14.0 kg hanging from the side of the table What is the tension in the cord connecting the boxes? N
- An elevator filled with passengers has a mass of 1763 kg. (a) The elevator accelerates upward from rest at a rate of 1.20 m/s2 for 2.00 s. Calculate the tension in the cable (in N) supporting the elevator. (b) The elevator continues upward at constant velocity for 9.02 s. What is the tension in the cable (in N) during this time? (c) The elevator decelerates at a rate of 0.600 m/s2 for 4.00 s. What is the tension in the cable (in N) during deceleration? (d) How high has the elevator moved above its original starting point, and what is its final velocity? (Enter the height in m and the final velocity in m/s.) height= ? Final velocity= ?a tin of antioxidants (m1 = 1.0 kg) on a frictionless inclined surface is connected to a tin of corned beef (m2 2.0 kg). The pulley is massless and frictionless. An upward force of magnitude F = 6.0 N acts on the corned beef tin, which has a downward acceleration of 5.5 m/s2. What are (a) the tension in the connecting cord and (b) angle b?A 41.8 kg box is on a frictionless 20° slope and is connected via a massless string over a massless, frictionless pulley to a hanging 19.5 kg weight. a. What is the tension in the string if the 41.8 kg box is held in place, so that it cannot move? (N)b. What is the tension in the string once the box begins to move? (N)
- a package of mass m hangs from a short cord that is tied to the wall via cord 1 and to the ceiling via cord 2. Cord 1 is at angle f = 40° with the horizontal; cord 2 is at angle u. (a) For what value of u is the tension in cord 2 minimized? (b) In terms of mg, what is the minimum tension in cord 2?A locomotive accelerates a 25-car train along a level track. Every car has a mass of 5.0 * 104 kg and is subject to a frictional force f = 250v, where the speed v is in meters per second and the force f is in newtons. At the instant when the speed of the train is 30 km/h, the magnitude of its acceleration is 0.20 m/s2. (a) What is the tension in the coupling between the first car and the locomotive? (b) If this tension is equal to the maximum force the locomotive can exert on the train, what is the steepest grade up which the locomotive can pull the train at 30 km/h?An initially stationary box of sand is to be pulled across a floor by means of a cable in which the tension should not exceed 1070 N. The coefficient of static friction between the box and the floor is 0.480. (a) What should be the angle between the cable and the horizontal in order to pull the greatest possible amount of sand, and (b)what is the weight of the sand and box in that situation?
- An initially stationary box of sand is to be pulled across a floor by means of a cable in which the tension should not exceed 849 N. The coefficient of static friction between the box and the floor is 0.450. (a) What should be the angle between the cable and the horizontal in order to pull the greatest possible amount of sand, and (b) what is the weight of the sand and box in that situation?The cube weighing 5 kg is pulled on a horizontal perfectly smooth base with a rope, which is acted upon by a force of magnitude F = 12 N at an angle of 25 ° with respect to the horizontal plane.a) What is the acceleration of the cube?b) The magnitude of the force F begins to increase slowly. What is its size at the moment when the cube rises completely above the base? c) What is the acceleration of the cube at this moment?Draw a picture showing the described situation. Draw the forces acting on it, show the direction of acceleration and construct the equation of motion in vector and in components.A 60 kg block rests on a rough plane inclined at 30 deg with the horizontal. The coefficient of sliding friction between block and plane is 0.15. What force P parallel to the plane is required to keep the block moving up the plane at constant speed? a. 88 N b. 218 N c. 294 N d. 370 N