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A lorry, of mass 38000 kg, starts up a hill of gradient 1 in 12. The constant acceleration is 0.06 m/s2 and resistance to motion is 1200 N (not gravitational force). What is the tractive force in Newtons exerted by the lorry's driving wheels?
Consider a fully charged 25.0- ? F capacitor, a 66.7- ? resistor, and an 30.0-mH inductor connected in a simple, What is the angular frequency of the underdamped electrical oscillation in this circuit
Calculate the electric potential due to the nuclei at a point in a Na+Cl- ion pair located on a line half way between the nuclei (the inter nuclear separation is 283 pm) as the point approaches from infinity and ends at the mid-point between the n..
A student ofmass m standsat one end of a long log of length l and mass M, which is floating on the campuspond at right angles tothe shore. Assume there is no friction between the logand the water.
The bird is again coasting along at 1.00 mph in an easterly direction except now the wind is gusting at an angle to the bird's velocity. What is the displacement and direction of the vector
At 20°C, a brass cube has an edge length of 35 cm. What is the increase in the cube's surface area when it is heated from 20°C to 81°C
The distance to a point source is decreased with a factor of three. Suppose that the sound is emitted by the source uniformly in all directions. By what multiplicative factor does the intensity increase? By what additive amount does the intensity lev..
What is the advantage of the new crumple zone design in new car's today when they are in a car crash, explain answer from a physics standpoint?
a rifle is aimed horizontally at a target 46 away. the bullet hits the target 2.5 below the aim point.a what was the
A 120 kg barrel which is initially at rest is rolled down an inclined plane. The friction between the barrel and the surface of the plane is negligible, calculate the barrel's velocity when it reaches the ground level
A cubical box 22cm on a side is constructed from 1.0cm -thick concrete panels. A 100 W light bulb is sealed inside the box. What is the air temperature inside the box
The Cosmoclock 21 Ferris wheel in Yokohama City, Japan, has a diameter of 100 m, Find the speed of the passengers when the Ferris wheel is rotating at this rate
The potential difference between two parallel conducting plates in vacuum is 315 V. What is the kinetic energy of the alpha particle
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