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-A car, initially moving at 63.2 km/h to the East, slows to a stop in 2.6 s. What is the average acceleration during this time?
-A car from rest experiences constant acceleration reaching a speed of 60 km/h in a distance of 100 m. What is the magnitude of the acceleration in km/s2 ?
-Using figure 1 below and assuming 2 significant digits find the:
(a) average speed between 0.0 s and 4.0 s
(b) average velocity between 8.0 s and 10 s
(c) instantaneous speed at 6.0 s
(d) instantaneous velocity at 14 s
A heavy rope used for as a mooring line for a cruise ship sags a shown. If the mass of the rope is 96 kg, what are the tensions in rope at A and B.
A sinusoidal voltage Δv = (100 V) sin (160t) is applied to a series RLC circuit with L =50 mH, C = 100 μF, and R = 38 Ω. What is the impedance of the circuit? What is the maximum current in the circuit?
a child loses his balloon which rises slowly into the sky. if the balloon is 14 cm in diameter when the child loses it
A 450 nm laser is shown through a single slit. A second 450 nm laser is shown through a double slit. Find the location of the third order minimum for both the single and double slit
A mass m attached to a spring with constant k (N/m).
A complete series circuit consists of a 12.5V battery, a 3.70ohm resistor, and a switch. What does an ideal voltmeter read when placed across the terminals of the battery
a handball of mass 0.15 kg traveling horizontally at 25ms strikes a wall and rebounds at 19msa what is its linear
A steel section of the Alaskan pipeline had a length of 63.8 mand a temperature of 21.8 °C when it was installed. What is itschange in length when the temperature drops to a frigid -46.6°C?
A water pipe decreases in diameter from 16 cm to 8 cm. In the wider section the average velocity is 30.0cm/s. what is the volume rate of flow in the wide section in m cube/s
Two small metal balls, carrying a charge +Q, are lying on an insulating surface a distance D apart. On either side of the two balls are small metal posts that are fixed to the surface. The distance between the posts and the balls is also D. The dimen..
An object initially at rest moves a distance x when a force F is applied for time t. How far will the object move of a force of 2F is applied for the same time t
A motor has an armature resistance of 3.25Ω . If it draws8.20 A when running at full speed and connected to a 120-V line, how large is the back emf
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