What is the final velocity of the bullet-block
An 8.1g bullet is fired with a velocity of 109m/s into a 98g block of wood at rest on a frictionless surface. The bullet lodges in the block and they slide off together. What is the final velocity of the bullet-block?
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State the degrees of freedom for this experiment: Using minitab or hand calculate the test statistic: (Enter to the nearest whole value) State the decision as either r for reject Ho or f for fail to reject Ho:
A computer disk rotates at a constant angular speed of 34.1rad/s while being read. when searching for a file, the disk spins for 0.892s. a) what is the angular displacement of the disk during this time?
A common laboratory reaction is the neutralization of an acid with a base. When 60.0 mL of 0.25 M nitric at 24.5 degree C is added to 60.0 mL of 0.275 M NaOH at 24.5 degree C in a coffee cup calorimeter, the temperature of the mixture rises to 30.
Aluminum Oxide (Al2O3) has a surface energy of 1 J/m2, estimate the maximum amount of energy (J/g) that is available for densification for spherical particles with a diameter of 1 micron.
In 1945 1,100 adult Americans were asked if they abstain from alcoholic beverages and 363 indicated that they were total abstainers. A recent pole asked 1,100 adult Americans if they abstain from alcoholic beverages,
A car traveling 85 km/hr strikes a tree. the front end of the car compresses and the driver comes to a rest after traveling 0.80m. What was the average acceleration of the driver during the collision?
Steam enters an adiabatic turbine steadily at 3 MPa and 400 deg C and leaves at 70 kPa and 100 deg C. if the power output of the turbine is 2 MW (mega watt), determine the isentropic efficiency of the turbine?
When a sample of a simple hydrocarbon,CxHy, is burned in oxygen 0.300 g ofCO2 and 0.123 g of H2O are isolated. Themolecular weight of the compound was determined to be 70.1 g in aseparate experiment.
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