What is the minimum work needed to push a 950-kg car 710 m up along a 9.0° incline? Ignore friction.

Q: How fast should a 100 kg football player run to have the same kinetic energy as a 156 kg player goin...

A: Given data:  Mass of first player (m1) = 100 kg Mass of second player (m2) = 156 kg Speed of second ...

Q: The potential difference of 50V is applied across two parallel metal plates and an electric field of...

A:

Q: An AM radio station broadcasts isotropically (equally in all directions) with an average power of 3....

A:

Q: A convex spherical mirror has a radius of curvature of magnitude 38.0 cm. (a) Determine the position...

A:

Q: The block on a smooth inclined plane is moving down with a constant acceleration of 4 m/s. m, The bl...

A:

Q: Consider a resistor made of copper that you connect to a 12.0 V power supply in an oven where the te...

A:

Q: 5. Circular Orbits. Suppose we launch a satellite in a circular orbit, and want it to revolve once a...

A:

Q: The charge per unit length on a long, straight filament is -92.0 µC/m. (a) Find the electric field 1...

A:

Q: 6. A bullet moves with a velocity of 600 m/s and has gained a kinetic energy of 900 J. Compute its m...

A:

Q: Constants Calculate the net force on the left charge due to the other two. Enter a positive value if...

A:

Q: 1. A rugby player throws her rubgy ball vertically up and catches it after 2.2 seconds.  a. How hig...

A:

Q: A particular hydrogen-like ion emits radiation of frequency 2-467 × 10 Hz when it makes transition f...

A:

Q: An incoming tennis ball (mass 0.060 kg) has a speed of 14 m/s. The player hits the ball with a racqu...

A: Given data:  Mass (m) = 0.060 kg Initial velocity (Vi) = 14 m/s Final velocity (Vf) = 30 m/s, in opp...

Q: A small generating station produces 120 kW of effective power that is transmitted by two wires, each...

A: A small generating station produces 120 kW of effective power that is transmitted by two wires, each...

Q: An achromatic doublet consists of a crown glass positive lens of index 1.52 and of thickness 1 cm, c...

A:

Q: bird can fly 25 km/h. How long does it take to fly 3.5 km?

A:

Q: at one location on the Earth, the rms value of the magnetic field caused by solar radiation is 1.85 ...

A:

Q: 7.3-magnitude earthquake hit eastern Japan late Wednesday night, killing at least four people and in...

A: The Richter magnitude scale, also known as the local magnitude (M) scale, assigns a number to quanti...

Q: 2. Suppose the badminton player hits the shuttlecock at ground level with her racket at a speed of...

A: Given Data, Initial speed of the shuttlecock(v)= 18 m/s Angle above the horizontal (θ)=380  

Q: At one point in its fall, a falling object has a kinetic energy of 5 J and a potential energy of 10 ...

A:

Q: The wavelength of light emitted by a krypton laser is i = 568.2 nm. What is the frequency of these l...

A:

Q: A projectile is fired downward with initial speed vo in an experimental fluid and experiences an acc...

A:

Q: A small particle of mass m moves in such a way that 1 -m "o°r° where w is a constant 2 2 2 the poten...

A:

Q: Elements that appear in the same column of the periodic table often share similar chemical propertie...

A:

Q: A pole vaulter wishes to clear a 4-m bar. How fast must she run? (Assume that all her kinetic energy...

A:

Q: An automobile traveling 60.0 km/h has tires of 73.0 cm diameter. (a) What is the angular speed of th...

A:

Q: If a car traveling at 60 km/h will skid 20 m when its brakes lock, how far will it skid if it is tra...

A:

Q: Problem 10:   Unpolarized light of intensity I0 = 850 W/m2 is incident upon two polarizers. The firs...

A:

Q: A particle of mass 4.58 g moves at 4.66 km/s in an xy plane, in a region with a uniform magnetic fie...

A:

Q: Question #2: A Tesla Model 3 is driving down Bank Street in Ottawa, Ontario. It is driving along wit...

A:

Q: Consider a galaxy moving with speed of 6480 km per second away from us. If it is at distance 430 mil...

A: Write the expression for the Hubble constant. Here, V represents the speed and r represents the dis...

Q: 1. Two large balls roll over a smooth surface and collide. They are made of a super hard material so...

A:

Q: A concrete block is pulled 4.5 m to the right across a smooth surface. The tension in the rope is 19...

A: Given data :- displacement d = 4.5 m (along right) Tension force T = 199.4 N Angle between Tension T...

Q: In the figure here, a ball is thrown up onto a roof, landing 4.00 s later at height h = 19.0 m above...

A:

Q: cargo is being pulled by two sailboats, both having equal magnitude of forces. The first sailboat is...

A: Resultant of two forces can be determined by parallelogram law of vector.

Q: 3. How much work must be done to stop a 925-kg car traveling at 95 km/h? Known & Unknown column Gene...

A:

Q: A single loop of nickel wire, lying flat in a plane, has an area of 7.00 cm2 and a resistance of 2.1...

A:

Q: A 30 N force pushes a block across a surface for 6 m. a) How much work is done by the applied force?...

A:

Q: convex spnerical mirror has radius curvature of magnitude 38.0 cm. (a) Determine the position of the...

A:

Q: Hint1 object has an acceleration of +1.2 cm/s2. At t = 4 s, its velocity is -3.4 cm/s. Determine the...

A:

Q: The angular momentum of a flywheel having a rotational inertia of O.227 kg-m? about its central axis...

A:

Q: A particle moves 3.0 m along a circle of radius 1.5 m. (a) Through what angle does it rotate? (b) If...

A: Given: The radial distance traveled by the particle is 3 m. The radius of the circular path is 1.5 m...

Q: The light beam in the figure below strikes surface 2 at the critical angle. Determine the angle of i...

A:

Q: A glass optical fiber is used to transport a light ray across a long distance. The fiber has an inde...

A:

Q: In the circuit, the capacitor is fully charged when switch ?S is closed. Calculate the time needed f...

A:

Q: A force of F1 = 373 N is applied to a hydraulic jack pump piston with a diameter of D1 = 0.0177 m. ...

A: Given data:  Input force (F1) = 373 N Diameter of input piston (D1) = 0.0177 m Diameter of output pi...

Q: Problem 7: A watermelon is blown into three pieces by a large firecracker. Two pieces of equal mass ...

A:

Q: Part B The figure (Figure 1) shows some equipotentials in the T-y plane. What is the magnitude of th...

A: equipotentials are shown in the figure in a x-y plane   

Q: On a part-time job, you are asked to bring a cylindrical iron rod of length 85.8 cm and diameter 2.8...

A:

Q: 13. B3-WBT82: NEWTON'S SECOND LAw EQUATION-PHYSICAL SITUATION The equation below results from the ap...

A: