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Q: A ball is thrown straight up into the air. Its position at 7 instants of time is shown in the figure...

A: When a ball is thrown up in the air with some velocity, then its velocity decreases with respect to ...

Q: A rollercoaster car of mass 200 kg with 4 passengers of average weight 75 kg each is pushed against ...

A: Consider the speed of the roller coaster car be v, the mass of the roller coaster car with passenger...

Q: On a planet A, a box of chocolates weighs 3.00 N. If the box takes 3.50 s to reach the ground when d...

A: A box of chocolates weight on a planet A,A box dropped from a height,The box takes the time to reach...

Q: Microwave ovens rotate at a rate of about 6 rpm.  What is this in radians per second? Group of answe...

A: The revolution per minute is 6rpm.

Q: What is the minimum work needed to push a 800 kg car 930 m up along a 7.5 ∘ incline? A) Ignore frict...

A: A) Work done is,

Q: A bob of mass m = 0.300 kg is suspended from a fixed point with a massless string of length L = 22.0...

A: Given,

Q: For each of the situations below, determine which forms of Newton's second law (N2L) are appropriate...

A: (1) The time taken by a ball to roll down an inclined plane can be calculated using both Newton’s se...

Q: A rope is strung between two walls parallel to the floor. A 35kg mass is hung from the rope at its m...

A: Given

Q: A 0.075 kg toy airplane is tied to the ceiling with a string. When the airplane's motor is started, ...

A: (a). consider the free body diagram shown below.

Q: A ball of mass 0.440 kg moving east (+x direction) with a speed of 3.80 m/s collides head-on with a ...

A: The mass of the moving ball is 0.440kg, moving with velocity 3.80m/s. the mass of the resting ball i...

Q: Wendy walks 10 m in one direction at 2 m/s, then runs 6 m in the same direction at 6 m/s. Next, she ...

A: The average speed is the ratio of total distance traveled by an object and the total time taken by i...

Q: In a pickup game of dorm shuffleboard, students crazed by final exams use a broom to propel a calcul...

A: Given

Q: For the calculation of eccentricity of an elliptical orbit, e = c/a, c is the distance from center t...

A: Eccentricity is a measure of deviation of the conic section from the circle.Write the expression for...

Q: A packing crate with mass 80.0 kg is at rest on a horizontal, frictionless surface. At t = 0 a net h...

A:

Q: In the figure, a runaway truck with failed brakes is moving downgrade at 107 km/h just before the dr...

A: Given,

Q: The system shown in the figure below has an acceleration of magnitude 1.15 m/s2, where m1 = 4.30 kg ...

A: Given:Mass of block, m1 = 4.30 kgMass of block, m2 = 9.40 kgAcceleration of the system, a = 1.15 m/s...

Q: A baseball pitcher brings his arm forward during a pitch, rotating the forearm about the elbow.  If ...

A: Given:Velocity of the ball in pitcher’s hand = 35.0 m/sDistance between the ball and the elbow joint...

Q: A rod of length 59 cm and mass 1.8 kg is suspended by two strings which are 41 cm long, one at each ...

A:  When the string on the side B is cut, there will be initial rotation of the rod about the point A.T...

Q: A 4.73 kg particle has the xy coordinates (-1.50 m, 0.794 m), and a 5.13 kg particle has the xy coor...

A: Given that m1 = 4.73kgAnd its coordinates are (x1,y1)=(-1.50m, 0.794m)m2 = 5.13kgAnd its coordinate ...

Q: A 12 N horizontal force F pushes a block weighing 5.3 N against a vertical wall (see the figure). Th...

A:

Q: From 1946 through 1958, Col. John Stapp headed the U.S. Air Force Aero Medical Laboratory's studies ...

A: Consider the initial speed of the sled be u, the final speed of the sled be v, the distance covered ...

Q: A satellite circles the earth in an orbit whose radius is 2.22 times the earth's radius. The earth's...

A:

Q: Coasting along at 8.60 m/s, a 60.0 kg bicyclist on a 7.60 kg bicycle encounters a small hill. If the...

A: Given information:Weight of the bicyclist (W) = 60 kgWeight of the cycle (w) = 7.60 kgInitial speed ...

Q: A baseball thrown from the outfield is released from shoulder height at an initial velocity of 29.4 ...

A: Given:Initial velocity of the baseball = 29.4 m/sAngle made by the baseball w.r.t horizontal = 30οTi...

Q: Referring to Fig. 6.11, indicate over how many squares the sound waves would spread for r=5m. The so...

A: Calculating the number of squares of area and intensity factor at the distance r = 5 m:

Q: A ball player catches a ball 3.61 s after throwing it vertically upward. With what speed did he thro...

A: Time taken by the ball to go up and down is given by t = 3.61s

Q: The resistance of a material can be calculated with the following equation: R = ρ L A where ρ is the...

A: The equation of resistance is given by

Q: A motorboat cuts its engine when its speed is 10.7 m/s and coasts to rest. The equation describing t...

A: a)Equation for speed is,

Q: A 250 g bird flying along at 5.6 m/s sees a 7.0 g insect heading straight toward it with a speed of ...

A: Given values:Mass of the bird, M = 250 g = 0.25 kgSpeed of the bird, U = 5.6 m/sMass of the insect, ...

Q: A sandbag is motionless in outer space. A second sandbag with two times the massmoving at 12 m/s col...

A:  Given:Before collision:For first sandbagInitial velocity, u1 = 0Mass, m1 = mFor second sandbagIniti...

Q: A helium balloon floats at the end of a string. The net force (the bouyancy force minus the weight) ...

A: Given that the net force on the balloon is Fn = 33NThe force at which the string would break is Fb =...

Q: A 59 kg skier leaves the end of a ski-jump ramp with a velocity of 26 m/s directed 20° above the hor...

A: Consider the mechanical energy of the skier as the kinetic and potential energies, the mass of the s...

Q: For a body to be in static equilibrium, what two equations must be solved together?   A. mecha...

A: A body in static equilibrium experiences neither rotational nor translational motion.

Q: A 28.0-kg block is connected to an empty 2.50-kgbucketby a cord running over a frictionless pulley. ...

A: Given,

Q: A chandelier with mass m is attached to the ceiling of a large concert hall by two cables. Because t...

A: The Free body diagram for the arrangement is shown below

Q: a bullet is shot into the air with muzzle velocity v0 at an angle theta with the horizontal. use ene...

A: (a). consider the figure shown below.

Q: A father demonstrates projectile motion to his children by placing a pea on his fork's handle and ra...

A: Vertical component of initial velocity of projectile is,

Q: In the figure at the right are shown four configurations of charge labelled A, B, C, and D. The smal...

A:  Electric potential at any specific point is defined as the change in electric potential energy per ...

Q: 5)A bucket filled with water has a mass of 23.0 kg and is attached to a rope that is wound around a ...

A: The free body diagram is

Q: A 3 kg cart on a frictionless horizontal plane is connected with an ideal string and an ideal pulley...

A: Given,

Q: Can you help me on p. 747. I am confused.

A:

Q: Projectile Motion and Conservation of Energy Derive a set of equations that perdict the x-position w...

A: Conservation of mechanical energy at starting point and launching point.

Q: Over a certain region of space, the electric potential is V = 4x − 1x2y + 7yz2. (a) Find the express...

A: (a)The electric potential for the certain region of space is,The expression for the x component of t...

Q: The equivalent capacitance of the two capacitors having equal capacitance connected in parallel is 7...

A: Given that the two capacitors are having equal capacitance, which are connected in parallel .

Q: The moon has a mass of 7.348 X 1022 kg and is 384.4 X 105 km from the Earth, which has a mass of 5.9...

A: Let mm be the mass of moon, me be the mass of earth, r be the distance between earth and moon, and G...

Q: The figure(Figure 1) shows four sides of a 2.5cm×2.5cm×2.5cm cube. What is the electric fluxe Φ thro...

A: Electric Flux: Electric flux can be defined as the net flow of electric flux through the area.

Q: You are working in an ice skating rink and have been asked to hang a new banner on the wall. Your fr...

A: For the ladder to not slip, it must remain in translational as well rotational equilibrium. The vari...

Q: A rod of length 70 cm and mass 2.6 kg is suspended by two strings which are 41 cm long, one at each ...

A: The bar has only one other force acting on it when string B is cut, and that would be gravity. The g...

Q: In a ballistics test, a 29 g bullet traveling horizontally at 1200 m/s goes through a 33-cm-thick 37...

A: Given:Mass of bullet = 29 g = 0.029 kgMass of target = 370 kgInitial velocity of bullet = 1200 m/sIn...

Q: **38. A 4-kg toy jet sled is accelerated forward from rest by escaping CO2 from the jet engine After...

A: The frictional force exerted on the toy jet and the snow is,Substitute the values,