A 0.45 kg fire-cracker is at rest when it explodes into four pieces. 1: 0.15 kg - 15 m/s due east 2: 0.075 kg - 20 m/s due west 3: 0.05 kg - 30 m/s due north 4: 0.175 kg...

A 0.45 kg fire-cracker is at rest when it explodes into four pieces. 1: 0.15 kg - 15 m/s due east 2: 0.075 kg - 20 m/s due west 3: 0.05 kg - 30 m/s due north 4: 0.175 kg...

find the magnitude of the car

A sailor pushes a 195.0 kg crate up a ramp that is 2.00 m high and 6.00 m long onto the deck of a ship. He exerts a 750.0 N force parallel to the ramp. What is the mechanical advantage of the ramp...

A sailboat moves north for a distance of 15.00 km when blown by a wind from the exact southeast with a force of 3.00 × 104 N. The sailboat travels the distance in 1.0 h. How much work was done by...

10 tons, 30 tons

If the measured value A has a 25 percent error and the measured value B has a 50 percent error is A 50% closer to the value than B? These are not my exact values but it will give me an idea of...

if a cube is filled with an ideal gas to a pressure of 18.0 atm at 0°C(273K) and volume of the cube doubles and the temperature is raised to 25°C, what is the new pressure?

There are 3 wires making an isosceles triangle. The top point is (I1), the bottom left is (I2) and the bottom right is (I3). The two long ends are 15.5m and the bottom small side is 7m. They are long,...

to continue the question If light travels 3.0 x 10 8 m in 1 second, how long is the Milky Way? Give your answer in standard form.

An ice puck travelling due east at 3.6 m/s on frictionless ice collides head on elastically with an identical ice puck travelling due west at 5.2 m/s. Find the velocities of the two pucks after the...

A marker shell is fired at a ground level target 500 m distance with an initial velocity of 60 m/s what is the launch angle?

i need percentage

acceleration of a car question

acceleration motion question

A father gently places his son on a rotating merry-go-round. The merry-go-round is essentially a disk with a mass of 250 kg and a radius of 2.5 m initially rotating at one revolution every 5.00 seconds...

Fig: a earth of radius R and particle is at height H=R and projected from there is the particle shown in the figure is projected with orbital velocity V=√(GM/2R) it returns after time...

An object is on a flat surface. Why is it not 6D? Any help would be appreciated! full question: An object is on a flat surface. If a spring is compressed x= -D by the object, then...

The block is released and slides a total distance of 1.5 m along a rough horizontal surface before stopping. Assume that the surface has a kinetic coefficient of friction μk = 0.3. What is the...

Assuming that the surface has a coefficient of kinetic friction of 0.3, how far up the plane will the block go before stopping? I got a = -g*[sinΘ + µ*cosΘ] = -8.551 m/s² d = v²/(2a)...

A mole of gold atoms are arranged in a cube. A 1 kg mass is placed on top of the cube. The interatomic spacing for gold is 10^−10 m andYoung’s modulus of gold is 1011 N/m2. Given there...

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