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A 3000 kg truck is heading east at 80 mph. A 1000 kg car is heading north at 40 mph. They collide and stick togther.
Question 1: How much energy is lost in the collision?
Question 2: What is the velocity and direction of the car/truck?
A certain commercial mass spectrometer (Fig. 28-12) is used to separate uranium ions of mass 3.92 x 10-25 kg, calculate the thermal energy (in J) produced in the cup in 1.07 h
A 12.0V dc battery having no appreciable internal resistance, a 146.5? resistor, an 10.6mH inductor, and an open switch are all connected in series. After the switch is closed, what is the maximum energy stored in the inductor
The unstable isotope 234Th decays by beta emission with a half-life of 24.5 days. what is the decay rate after 37 days
A 4.00-kg particle moves along the x axis. Its position varies with time according to x = 3.0t + 2.0t^2 where x is in meters and t is in seconds. Find the acceleration of the particle
how much tension must a cable withstand if it is used to accelerate a 20.0 kg car vertically upward at 0.70 m/s^2
At the one meter mark a +1 coulomb charge is placed. At the two meter mark a -1 Coulomb is placed. Determine the electric field at the zero meter point
Two crickets, Chirpy and Milada, jump from the top of a vertical cliff. Chirpy just drops and reaches the ground in 4.00s, How far from the base of the cliff will Milada hit the ground
What is the period of this pendulum in the small angle approximation.
The drawing shows a person looking at a building on top of which an antenna is mounted. How tall is the antenna
A person fishing from a pier observes that five wave crests pass by in 7.4 s and estimates the distance between two successive crests to be 4.3 m. The timing starts with the first crest and ends with the fifth. What is the speed of the wave? m/s
what is the force of kinetic friction acting on the skier. avoid the length of her car and her reaction time.
A particle has a charge of +1.7 ?C and moves from point A to point B, a distance of 0.12 m. The particle experiences a constant electric force, and its motion is along the line of action of the force. The difference between the particle's electric..
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