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The school bus picks up Brian in front of his house and takes him on a straight-line 3.4 km bus ride to school in the positive direction. He walks home after school. If the front of Brian's house is the origin,
(a) what is the position of the school,
(b) what is his displacement on the walk home, and
(c) what is his displacement due to the combination of the bus journey and his walk home?
How much time passes by they collide
Over a time interval of 2.16 years, the velocity of a planet orbiting a distant star reverses direction, Find the total change in the planet's velocity in m/s
A 91 g arrow is fired from a bow whose string exerts an average force of 115 N on the arrow over a distance of 78 cm. Illustrate what is the speed of the arrow as it leaves the bow?
A 24.0V battery is in series with a switch, a 0.30Hinductor, and a 24? resistor. Find the potential differences across the inductor at t=3
A beam of electrons is accelerated from rest through a potential difference of 0.110kV and then passes through a thin slit, How wide is the slit
A 120cm3 box contains helium at a pressure of 2.20atm and a temperature of 80.0â??C. What is the initial thermal energy of each gas?
The three displacement vectors in the drawing have magnitudes of A = 5.47 m, B = 5.43 m, and C = 3.91 m. Find the resultant ((a) magnitude and (b) directional angle) of the three vectors by means of the component method. Express the directional an..
For a procedure, the enthalpy change and the entropy change of the system is 173000 J and its entropy change is 210 J/K. compute the free energy change of the system at 298 K.
What is the pressure inside the thermos
A car drives west on sw 8th street at a speed of 30.7 mph. The driver hits the brakes and the car slows down with a constant acceleration of 4.8 m/s^2
Two tugboats pull a disabled super tanker. Each tug exerts constant force of 1.20 multiplied by 106 N, one 19° west of north and the other 19.0° east of north, as they pull the tanker 0.69 km toward the west. What is the total work they do on supe..
A boy is trying to retrieve his toast from a toaster using a metal knife. He touches one of the wires inside, which is connected to 120 V. What is the current through his body
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