Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
What is the angular speed of the bar the at the moment the bug jumps?
If the coefficient of friction between the block and the floor is 0.40, what is the speed of the block just before collision?
How long does it take the boat to make a round trip consisting of a 175 m displacement downstream followed by a 175 m displacement upstream?
A 168 oscillator has a speed of 102 when its displacement is 1.90 and 84.0 when its displacement is 6.10 . What the max speed of the oscillator?
Two small spheres spaced 20cm apart have equal charge. How many excess electrons must be present on each sphere if the magnitude of the force or repulsion between them is 4.57*10^-21 newtons.
A 6.1 g bullet is accelerated in a rifle barrel 86 cm long to a speed of 408 m/s. Use the work-energy theorem to find the average force exerted on the bullet while it is being accelerated.
A horizotal beam of light enters a 45-90-45 prism at the center of its long side. The emerging ray moves in a direction that is 34 degrees below the horizontal. What is the index of refraction?
The notes produced by a violin range in frequency from approximetly 196 hz to 2637 hz. find the maximim wavelength in air produced by this instrument when the speed of sound in air is 334 m/s.
Find (a) the total resistance of the circuit, (b) the total current flowing in the circuit, (c) the current flowing through the 120 ohm (R3) resistor.
A cardinal (Richmondena cardinalis) of mass 4.00×10-2 and a baseball of mass 0.143 have the same kinetic energy. What is the ratio of the cardinal's magnitude of momentum to the magnitude of
A resistor dissipates energy at a rate of 240 W when operating at 12 V. If the electrical energy costs 0.0090?kw *h, What is the cost of using the reistir for exactly 16 hours?
A 23.0 kg gold bar at 25.0°C is placed in a large, insulated 0.800 kg glass container at 15.0°C with 2.00 kg of water at 25.0°C. Calculate the final equilibrium temperature.
The mass on the incline is now displaced from equilibrium, released, and oscillates. Calculate the period of oscillation. The acceleration due to gravity is 9.8 m/s2 .
A 1200 kg car carrying four 75 kg people travels over a "washboard" dirt road with corrugations 3.8 m apart. The car bounces with maximum amplitude when its speed is 13 km/h. When the car stops, and
If the applied force remains constant in magnitude, the displacement on the spring is maximum when the applied frequency (cycles per second) is about?
A 1500 kg cartravels at constant speed of 22m/s around a circular track which has a radius of 85m. What is the magnitude of the acceleration?
What is the radius r of the turn if theta = 20.0^circ (assuming the car continues in uniform circular motion around the turn)?
A Texas cockroach of mass 0.17 kg runs counterclockwise around the rim of a lazy Susan (a circular disk mounted on a vertical axle) that has radius 15 cm, rotational inertia 4.5 10-3 kg·m2, a
How many kWh (kilowatt-hours) of energy does a 550W toaster use in the morning if it is in operation for a total of 10 minutes? (b) At a cost of $0.02 per kWh?
A ball with a horizontal speed of 1.25 rolls off a bench 1.00 above the floor. How long will it take the ball to hit the floor? How far from a point on the floor directly below the edge of the bench
Decompose the force vector into radial (i.e., parallel to ) and tangential (perpendicular to ) components as shown. Find the magnitude of the radial and tangential components, and . You may assume t
When a different particle with an electric charge of +3.10 x 10-12 C enters the velocity selector traveling east, the net force (due to the electric and magnetic fields) acting on it is 2.22 x 10-9
An FM radio station emits an electromagnetic wave which is received by a circuit containing a 3.33 ´ 10-7 H inductor and a variable capacitor set at 7.31 ´ 10-12 F. What is the frequenc
A block of mass 0.560 kg is pushed against a horizontal spring of negligible mass until the spring is compressed a distance x.
A charge moves at a speed of 4.5 * 10^-6m/s in a direction perpendicular to a uniform magnetic field, and the proton moves in a circle of radius 0.20m.