Determine speed of collars when connected to the cord
Collars A and B are connected to the cord that passes over the small pulley at C. When A is located at D, B is 24 ft. the left of D. If A moves at a constant speed of 2 ft/s to the right, determine the speed of B when A is 4 ft to the right of D.
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What mass of water at 24.0 °C must be allowed to come to thermal equilibrium with a 1.95-kg cube of aluminum initially at 1.50 102 °C to lower the temperature of the aluminum to 77.0 °C? Assume any water turned to stream subsequently r
What minimum power must be supplied to the coils to maintain a temperature difference of 16.4°C between the bottom of the slab and its surface? Assume all the energy lost is through the slab.
In 2005, 74% of all airline flights were on-time. If we choose a simple random sample of 2000 flights, find the probability that (be as accurate as the proper process allows)
A small weight hangs from a string attached to the rearview mirror of a car accelerating at the rate of 1.07 m/s2. What angle does the string make with the vertical?
When A is located at D, B is 24 ft. the left of D. If A moves at a constant speed of 2 ft/s to the right, determine the speed of B when A is 4 ft to the right of D.
A proton has an initial speed of 4.0*10^5 m/s. a) What potential difference is required to bring the proton to rest?
In order to determine the composition of the sample, the following analysis was carried out: A 0.9146g sample of the mixture was weighed and placed in a 110 degrees C oven for 2 hours.
The tank is filled with water to a depth of 6 ft. Determine the maximum acceleration or deceleration allowed if no water is to spill during towing.
A 0.22 m(micro)F capacitor by a 1.5-V battery. After being charged, the capacitor is connected to a small electric motor. Assuming 100% efficiency. A) To what height can the motor lift a 5.0-g mass?
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