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A 35.0-g bullet moving at 475 m/s strikes a 3.2-kg bag of flour that is on ice, at rest. The bullet passes through the bag, leaving at 225 m/s. How fast is the bag moving when the bullet exits?
A plane travels 1.2 km at an angle of 39 degress to the ground then changes directions and travles 5.2 km at an angle of 19 degrees to the ground. what is the magnitude of the planes total displace
A camel sets out to cross the desert, which is 38.5 km wide in the north-south direc- tion. The camel walks at the uniform speed 1.35 km/hr along a straight line in the direc- tion 50.6? north of E
A jetliner is moving at a speed of 187 m/s. The vertical component of the plane's velocity is 44.5 m/s. Determine the magnitude of the horizontal component of the plane's velocity.
A kayaker needs to paddle north across a 105-m-wide harbor. The tide is going out, creating a tidal current that flows to the east at 2.0 m/s. The kayaker can paddle with a speed of 3.4 m/s. (a) In
Assuming the diver has inhaled a negligible amount of air from the tank, what is the temperature of the ocean water?
Brass is an alloy made from copper and zinc. A 0.59 kg brass sample at 98C is dropped into 2.80 kg of water at 5C. If the equilibrium temperature is 6.8C, what is the specific heat capacity of bras
A loudspeaker of mass 17.0 {rm kg} is suspended a distance of h = 1.80 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 2.70 {rm m}. Wh
A bus travelling along a straight road at 100km/hr-1 and the bus conductor make at 6kmhr-1 on the floor of the bus in the same direction on the bus.find the speed of the conductor relative to road
An object falls because of gravity at a rate of -9.80 m/s2 (- sign is indicative of a downward direction) for 10. seconds. If it starts from rest (vo= 0) and its position starts from do= 0.0, where
A 68 kg person escapes from a burning building by jumping from a window 25 m above a catching net. Assuming that air resistance exerts a 95 N force on the person during the fall, determine the pers
A segment of wire of total length 3.0 m carries a 15-A current and is formed into a semicircle. Determine the magnitude of the magnetic field at the center of the circle along which the wire is pla
Bob walks 80m and the he walks 125m, a. What is Bob's displacement if he walks east both times? b. What is Bob's displacement if he walks east then west?
Which is compressed by 2.6 cm in bringing the block to a momentary halt. Assuming air resistance is negligible, from what height above the compressed spring was the block dropped?
An artillery shell is fired with an initial velocity of 300 m/s at 46° above the horizontal. To clear an avalanche, it explodes on a mountainside 48.5 s after firing. What are the x and y compo
The charge on the particle is 3.00 μC, its speed is 550 m/s, and the strength of the field inside the solenoid is 0.734 T. What is the mass of the particle?
The tape in a videotape cassette has a length L = 246 m. The tape plays for t = 2.0 h (Figure 9-41). As the tape starts, the full reel has an outer radius of about R = 49 mm, and an inner radius of
For the cyclist in this 30.0 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)
As the orientation of the loop is changed, the magnetic field exerts a varying torque on the wire loop. What is the maximum magnitude of this torque?
A box slides down a 40° ramp with an acceleration of .92 m/s2. Determine the coefficient of kinetic friction between the box and the ramp.
In the second time interval you are asked to work more independently, using what you practiced in the first time interval.Now the planet has a new position and a new momentum. Starting from these ne
A 1.24-µH inductor is connected in series with a variable capacitor in the tuning section of a short wave radio set. What capacitance tunes the circuit to the signal from a transmitter broadc
A 1540 kg car is traveling with a speed of 15.0 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 40.0 m?
A cylindrical container with a cross-sectional area of 68.2 cm^2 holds a fluid of density 846 kg/m^3. At the bottom of the container the pressure is 116 kPa. What is the depth of the fluid? Find th
A bicycle has wheels with a diameter of 0.600 m. It accelerates uniformly and the rate of rotation of its wheels increases from 175 rpm to 275 rpm in a time of 19.3 s. Find the linear acceleration