What additional mass can air mattress support in water
A rectangular air mattress is 2.0 m long, 0.50 m wide, and 0.08 m thick. If it has a mass of 2.0 kg, what additional mass can it support in water?
?m= 78 N
Expected delivery within 24 Hours
A drug tagged with 9943Tc (half-life = 6.05 h) is prepared for a patient. If the original activity of the sample was 2.0 104 Bq, what is its activity (R) after it has been on the shelf for 2.0 h?
If the spring in such a setup is compressed by 0.051 m, what is the coefficient of static friction?
If a four-engine jet accelerates down the runway at 2 m/s2 and one of the jet engines fails, how much acceleration will the other three produce?
Two ants race acroos a table 74 cm long. One travles at4.64 cm/s, and the other at 3.99999 cm/s. when the first one crosses the finish line, how far behind is the second one? Answer in units of cm.
The wire has an unstretched length of 3.1 cm and a diameter of 0.22 mm. If the wire is stretched 0.10 mm, find the magnitude and direction of the force on the tooth. Disregard the width of the tooth and assume the Young's modulus for stainless ste
How much heat is released by the water when it freezes?
For a damped oscillator with a mass of 240 g, a spring constant 59 N/m and a damping coefficient of 75 g/s, what is the ratio of the amplitude of the damped oscillations to the initial amplitude at the end of 12 cycles?
Two horizontal forces, 215 N and 128 N, are exerted on a canoe. If the these forces are applied in the same directions, find the net horizontal force on the crate.
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