22. What type of seismic waves are produced during an earthquake? a. Pand S waves b. M and P waves c. radioactive waves6. A three piece explosive at rest on a horizontal surface explodes. Two piece fly off horizontally at 60^circ to each other, a 1.50 kg piece at 25.0m/s and a 2.00 kg piece at 40.0m/s The third piece flies off horizontally at 30.0m/s Draw the situation. [2] Determine the direction and mass of the third object. [6]Deux charges ponctuelles q_(A)=-1mu Cetq_(B)=-4mu C sont placées en deux points A et B distants de 18 cm. 1) Montrer qu'il existe sur la droite (AB) un point M où le champ électrostatique résultant est nul.2. A ball is thrown upwards. If the ball was thrown with an initial velocity of 20.0m/s[up] , how long does it take to reach the maximum height?6) "Thallium 1-208 has a half-life of 3 .053 minutes. How long will it take for 120 g to decay to 7.50 grams?PREV 178179180181182183184185186 NEXT
