Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
The distance among the lenses of the instrument is 17.0 cm and the final image is virtual and at infinity. Determine how distant from the objective lens is the object?
A camera takes a absolutely exposed picture if the lens diaphragm is set to f/4 and the shutter speed is 1/250 s. When the diaphragm is altered to f/11, what must the new shutter speed be so that the
After a fall of a 131.1 kg climber is dangling from the 9.3 m long rope of diameter 7.296 mm which stretched 3.864 cm. For the rope compute i) the strain, ii) the stress, and iii) the Young's modulu
Determine the magnitude and direction of the force on the ladder by the ground just prior to the window breaks. Write the force direction as an acute angle in degrees above the ground.
An automobile of mass 1033.6 kg consists of an axle spacing 420.9 cm with the center of mass 48.36cm behind the front axle. Find the force
Find the moment of inertia of the box about E? Determine the tension in each and every cable? (The moment of inertia of a cube of side a about an axis via the centers of two opposite faces is ma^2/6
The ball launcher in a pinball machine consists of a spring which has a force constant of 1.39 N/cm. The surface on which the ball moves is inclined a = 17.7o with respect to the horizontal.
Determine the velocities of the two people after the snow-ball is exchanged? Disrespect of the friction between the skates and ice.
The two cars collide. After the collision, car A comes to a stop and car B has a speed of (1.97 ± 0.02) m/s in the positive X-direction. i) Compute the net Initial kinetic energy of the two c
A potter's wheel moves uniformly from the rest to an angular speed of 0.23 rev/s in 33 s. (i) Determine its angular acceleration in radians per second per second.
The electric motor rotating a workshop grinding wheel at a rate of 99 rev/min is switched off. Suppose the wheel consists of a constant negative angular acceleration of magnitude 2.40 rad/s2 (i) De
Once the turntable begins to rotate, what force causes the centripetal acceleration if the coin is stationary as relative to the turntable? Beneath what condition does the coin start to move relativ
A race car begins from rest on a circular track of radius 449 m. The speed of car rises at the constant rate of 0.320 m/s2. At the point where the magnitudes of the centripetal and tangential accele
A certain light truck can go around the flat curve with a radius of 150 m having a maximum speed of 29.0 m/s. Determine with what utmost speed can it go around a curve with a radius of 85.0 m?
When the force of air resistance consists of a magnitude of 3.77E+4 N, determine the speed of the airplane after it has traveled 425 m. Suppose that the airplane is in the level flight all through t
Determine the focal-length lens which must be used when the image is to fill the 36mm height of the film?
The resistor of 30Ω, 60Ω and 80Ω are joined in parallel closed circuits having a 160 volts source {suppose an ideal circuit} Find out the current via the circuit.
Determine the maximum distance from the surface of earth which does it travel before falling back to Earth? (The mass of Earth is 5.98 x 1024 kg, and the radius of the Earth is 6.38 x 103 km.)
A satellite of 678 kg is in a circular orbit about the Earth at a height above the Earth equivalent to the Earth's mean radius. (i) Determine the orbital speed of the satellite.
Supposing that he begins from rest when the rope is horizontal, determine the tensions in the rope which are needed to make him follow his circular path at each of the given points.
Determine the maximum voltage induced in the coil when the axis of rotation of the coil is all along its major axis and is aligned in the given directions.
Let, consider an AC voltage source which generates a voltage given by V = Vmax sin(2pft), with Vmax = 19 V and f = 5.4 Hz. Find out the instantaneous value of the voltage at t = 1.1 s?
A net of 9 x 1020 concution electron passes via a 1.4mm diameter silver (ρ =1.61 x 10-8Ωm) wire in 1.2 minutes. The length of the wire is 8m. Find out the following: i) The current I in the
If you press one of the buttons on a small calculator, a 3.5 volt battery gives a small constant current of 50μA for 300ms. Find the following i) Determine how many electron N flow in that time.
Photos reveal that the lighter fragment traveled straight up and reached a maximum height of 500 m. Determine the speed of the heavier fragment just following the explosion?