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A 1.25x106 kg deep space exploration ship sits motionless in deep space studying a far off star. The crew decide to launch a 500 kg probe towards the star. The probe leaves the ship with a velocity
A cowboy at a dude ranch fills a horse trough that is 1.6 m long, 69 cm wide, and 42 cm deep. He uses a 2.7 cm diameter hose from which water emerges at 2.3 m/s . How long does it take him to fill t
A contact lens is made of plastic with an index of refraction of 1.36. The lens has an outer radius of curvature of +1.91 cm and an inner radius of curvature of +2.41 cm. What is the focal length o
What inductor in series with a 130 Omega resistor and a 3.6 mu F capacitor will give a resonance frequency of 1000 Hz?
5.00 A of current flows through the circuit. Of the power it supplies, what percentage is being wasted due to its internal resistance?
A penny sits on a rotating disk that rotates once every 0.9 s. The coefficients of static and kinetic friction between the penny and disk are 0.58 and 0.48, respectively. For the penny to not slide
then measure the potential difference across the battery's terminals. The voltmeter you are using says it is 1.48 V. What is the internal resistance of the battery?
When Royce was 10 years old, he had a mass of 30 kg. By the time he was 16 years old his mass increased to 60 kg. How much larger is the gravitational force between Royce and Earth at age 16 compar
For the cyclist in this 36.0 s interval, what are the (a) magnitude and (b) direction of the displacement, the (c) magnitude and (d) direction of the average velocity, and the (e) magnitude and (f)
What is the change in the thermal energy of the slide and the seat of her pants?
What is the difference in your blood alcohol level between a full and empty stomach after you drank 3 malted whiskies with 100 proof and 1.7 ounces each within an hour?
A constant horizontal force a pushes a 3.80 kg FedEx package across a frictionless floor on which an xy coordinate system has been drawn. Figure 5-37 gives the package's x and y velocity components
A car travels on a circular track of radius R = 209 m, with increasing speed v = R α t. [t = time; α = 0.12083 radians per second2.] (A) What is the angular position at t = 30 s (relativ
Suppose that they are born at the same time, and that Mort observes himself to live 30 years. As Mort dies, how old will he observe Velma to be?
A long wire stretches along the x axis and carries a 4.0 {rm A} current to the right left( +x right). The wire is in a uniform magnetic field {bf{vec B}} = left( 0.22{bf i} -0.39{bf j} + 0.25{bf k}
A way that three different wavelengths are observed when the hydrogen relaxes back to the ground state. What is the wavelength of the incident beam?
Salmon often jump upstream through waterfalls to reach their breeding grounds. One salmon came across a waterfall 1.11 m in height, which she jumped in 1.97 s at an angle of 36.0° to continue up
A plane flies at 1.22 times the speed of sound. Its sonic boom reaches a man on the ground 0.883 min after the plane passes directly overhead. What is the altitude of the plane?
Two point charges are placed on the x axis. The first charge, = 8.00 , is placed a distance 16.0 from the origin along the positive x axis; the second charge, = 6.00 , is placed a distance 9.00 fro
A 240 g block hangs from a spring with spring constant 8.0cm. What is the block's distance from equilibrium when the speed is 69 cm/s ? What is the block's position at t=10s ?
A 3.2 kg block of wood sits on a table. A 2.5 g bullet, fired horizontally at a speed of 600m/s, goes completely through the block, emerging at a speed of 180 m/s. What is the speed of the block im
A magnetic field has a magnitude of 1.20 10-3 T, and an electric field has a magnitude of 4.90 103 N/C. Both fields point in the same direction. A positive 1.8-µC charge moves at a speed of 2
A raindrop falls from the roof of a house. It passes two windows along the way: one of height d starting the distance d below the roof and the other of height D starting the distance 3d below the r
Travel in opposite directions on a 20-m stretched string which is clamped at each end. Excluding the nodes at the ends of the string, how many nodes appear in the resulting standing wave?
Focal length lens that is positioned .505 m in front of the film. What distance in front of the lens will the screen be placed in order for the image to be focused.