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Let%u2019s say you have a 1.0 kg mass at rest, struck by a 2.0 kg mass traveling at -2.0 m/s. They collide and stick together, thus combining their masses to 3.0 kg. What is the velocity of the combined mass and what type of collision is this?
A positively charged light metal ball is suspended between two oppositely charged metal plates on an insulating thread as shown below. After being charged once, plates are disconnected from the battery. define the behavior of the ball.
A battery in a circuit has an emf of 8.8 V. The only other component in the circuit is a resistor. 4.4 A of current flows in the circuit. What is the potential difference across the battery
A 4 kg model rocket is launched, expelling 40.00 g of burned fuel from its exhaust at a speed of 550m/s. What is the velocity of the rocket after fuel has burned? Hint: Ignore the external forces of gravity and air resistance.
If you throw a ball upward with an initial speed of 4 m/s at 1.5 m above the ground find the flying time for this free fall motio
A 1.7 kg rolling hoop with a radius of 9 cm rolls without slipping. If the angular speed of the hoop is 2.46 rad/s , compute rotational kinetic energy of the rolling hoop
A bomber is flying horizontally over level terrain at a speed of 260 m/s relative to the ground and at an altitude of 2.60 km. At what angle from the vertical was the bombsight set
A positron is a particle with the same mass and magnitude charge as an electron, but a positron has a positive charge. how fast is the positron moving
At t=0 a grinding wheel has an angular velocity of 20.0 rad/s. It has the constant angular acceleration of 29.0 rad/s^2 until a circuit breaker trips at time t = 2.20 s. From then on, it turns through an angle 435 rad as it coasts to a stop at cons..
Soft drinks are commonly sold in aluminium containers. How a lot of such containers are thrown away or recycled each year by U.S. consumers.
A 958 N Rocket is coming in for a vertical landing. It starts with a downward speed of 25 m/s, What must be the direction of the engine thrust force
A square plate of copper with 47.0 cm sides has no net charge and is placed in a region of uniform electric field of 79.0 kN/C directed perpendicularly to the plate. (a) Find the charge density of each face of the plate. (b) Find the total charge ..
Determine magnitude of the force from the ground on each front wheel. what is magnitude of the duck's velocity.
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